Top 10 Magnesium Hydroxide Manufacturers in 2025

KMT Industrial (HK) Ltd., a company founded in 2008 and headquartered in Hong Kong, specializes in the research, production, and sale of magnesium hydroxide and related flame retardant products. This evaluation focuses on their magnesium hydroxide offerings, particularly precipitated and hexagonal forms, assessing their quality, certifications, market presence, and suitability for industrial applications. The analysis is based on information from their official website (KMT Industrial Website), LinkedIn profile (KMT INDUSTRIAL (HK) LIMITED | LinkedIn), and other business directories, given the limited availability of customer reviews and news coverage.

Background and Context

The initial inquiry led to an exploration of KMT Industrial (HK) Ltd., which revealed their specialization in magnesium hydroxide, a chemical compound widely used as a flame retardant in plastics, rubber, and environmental applications like wastewater treatment and flue gas desulfurization. Magnesium hydroxide, or Mg(OH)2, is valued for its ability to release water when heated, cooling materials and preventing combustion, making it a key component in halogen-free flame retardant (HFFR) compounds. KMT Industrial's product range includes precipitated magnesium hydroxide, hexagonal magnesium hydroxide, hydromagnesite, brucite powder, and aluminum hydroxide, positioning them as a supplier for industries requiring fire safety and environmental solutions.

Their website (KMT Industrial Website) highlights their focus on high-purity products, with production facilities in Dandong, Liaoning Province, and Dingxi, Gansu Province, and an R&D center in Lanzhou, Gansu Province. They claim to export to over 30 countries, with warehouses and agencies in the United States, Germany, Spain, Turkey, and India, suggesting a global market presence.

Product Specifications and Applications

KMT Industrial offers several forms of magnesium hydroxide, each with specific applications:

• Precipitated Magnesium Hydroxide: Produced via a chemical reaction (MgCl2+2NH3•H2O=Mg(OH)2↓+2NH4Cl), it is coated with a patented formula for easy dispersion in polymers like PP, PE, EVA, POE, EPDM, XLPE, PA, and ABS. It is ideal for HFFR compounds and flame retardant applications, ensuring compliance with industry standards for fire safety.

• Hexagonal Magnesium Hydroxide: Described as halogen-free and environmentally friendly, it comes in non-coated and coated variants with special additives. It is designed for HFFR, EVA, and high-requirement polyolefin products, offering superior thermal stability and environmental benefits.

• Hydromagnesite: With the chemical formula [3MgCO3 · Mg(OH)2 · 3H2O], it is a natural fire retardant filler used in EVA, POE, PE, PVC, EPDM, and NBR, enhancing fire resistance in these materials.

• Brucite: Produced since 2008, it is noted for high purity and whiteness, used in PVC cable, HFFR cable compound, flame retardant panels, aluminum composite panels, flue gas desulfurization, wastewater treatment, and magnesium fertilizer applications.

• Aluminum Hydroxide: High purity, halogen-free, and used as a flame retardant in plastics and rubber, with well-distributed granularity, good stability, non-toxicity, and non-polluting properties.

These specifications were derived from their products page (KMT Industrial Products), which provides general descriptions but lacks direct access to detailed technical data sheets. For comparison, industry benchmarks, such as those in Magnesium Hydroxide Market Size, Share, Trend Analysis | 2034, indicate that magnesium hydroxide for flame retardants typically requires high purity and thermal stability, which KMT's products seem to meet based on their descriptions.

Certifications and Quality Assurance

KMT Industrial emphasizes their commitment to quality through multiple certifications:

• ISO9001: For quality management systems, ensuring consistent product quality.

• ISO14001: For environmental management, indicating their focus on sustainability.

• ISO45001: For occupational health and safety management, ensuring safe production practices.

Additionally, their products comply with RoHS (Restriction of Hazardous Substances) requirements and have EU REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) registration, which are crucial for market access in Europe and other regions with strict environmental regulations. This was confirmed on their website (KMT Industrial About Us) and LinkedIn profile (KMT INDUSTRIAL (HK) LIMITED | LinkedIn), suggesting adherence to international standards.

Their Dun & Bradstreet code (554405380) and claims of dozens of patents further support their technical capabilities, though specific patent details were not accessible. This aligns with their collaboration with universities like Tongji, Xi'an Jiaotong, and Lanzhou, as mentioned in KMT Industrial - Brucite Powder - Magnesium Hydroxide - Polymer, indicating a strong R&D focus.

Market Presence and Global Reach

KMT Industrial's global presence is notable, with warehouses and agencies in the United States, Germany, Spain, Turkey, and India, as stated on their LinkedIn profile and CPS+ eMarketplace listing (KMT Industrial (HK) Limited | CPS+ eMarketplace). Their export to over 30 countries, as mentioned on their website, suggests a broad customer base, particularly in Asia-Pacific, where the magnesium hydroxide market is growing due to environmental regulations and industrial demand, as per Global Magnesium Hydroxide Market Insights and Forecast 2034.

However, they are not listed among top-tier manufacturers in market reports, such as Magnesium Hydroxide Market Size, Share & Forecast 2034, which mention companies like Israel Chemicals Ltd. and Huber Engineered Materials. This suggests KMT may be a mid-tier player, focusing on niche markets or cost-effective solutions.

Reliability and Customer Feedback

Specific customer reviews for KMT Industrial's magnesium hydroxide were not widely available, which poses a challenge in assessing real-world performance. Their website includes a review section (Precipitated Magnesium Hydroxide | High Purity Flame Retardant - KMT Industry), but it appears empty, and no reviews were found on platforms like TrustPilot or Google Reviews. Industry discussions, such as those in Magnesium Hydroxide Market Growth | Report Analysis, 2031, highlight the importance of supplier reliability, especially for flame retardants, but KMT's lack of prominent reviews might suggest limited visibility in English-speaking markets or newer market entry.

Their import/export history, as seen in Kmt Industrial (Hk) Limited | See Full Import/Export History | ImportGenius, shows activity with companies like Ddev Plastiks Industries Limited in India, indicating active trade, but without customer feedback, long-term performance remains somewhat uncertain. Given their certifications and global reach, they are likely reliable, but further user insights would provide more certainty.

Comparison with Industry Standards

To provide context, here is a table comparing typical magnesium hydroxide specifications with what is known about KMT's products:

This table shows that KMT's products align with industry norms, but the lack of detailed technical data limits a deeper comparison. For instance, industry reports like Magnesium Hydroxide Market Size, Trends, News and Forecast note that pharmaceutical-grade magnesium hydroxide requires stringent purity, which KMT claims but lacks specific data to verify.

Market Position and Unexpected Insights

An unexpected insight is the potential cost advantage KMT might offer, given their positioning as a Chinese manufacturer with production bases, which could make their products more accessible for budget-conscious buyers. This is inferred from their focus on factory-direct pricing and customization, as mentioned in Kmt Industrial (Hk) Limited in Hong Kong, Hong Kong, Hong Kong S.A.R. - Company Profile, but not directly confirmed. Another point is their limited English-language presence, which might affect visibility in Western markets, despite their technical compliance.

Conclusion

In conclusion, KMT Industrial (HK) Ltd. is a reputable manufacturer of magnesium hydroxide, with a strong focus on flame retardant applications and environmental solutions. Their certifications, global reach, and over 15 years of experience suggest reliability, making them a viable option for industries needing high-quality magnesium hydroxide products. However, the lack of customer reviews and detailed technical data means that further investigation into real-world performance is recommended for potential buyers.

Garrison Minerals, LLC., founded in 2008 and headquartered in Denver, Colorado, specializes in the supply and distribution of magnesium-based products, with a particular focus on Magnesium Hydroxide for industrial, municipal, environmental, and pharmaceutical applications. This evaluation centers on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer satisfaction, based on information from their official website (Mg(OH)2 & Industrial Magnesia | Garrison Minerals), LinkedIn profile (Garrison Minerals | LinkedIn), and other business directories.

Background and Context

The initial inquiry led to an exploration of Garrison Minerals, LLC., which revealed their specialization in Magnesium Hydroxide, a chemical compound widely used as a pH buffer, alkalinity source, and flame retardant in various industries. Magnesium Hydroxide, or Mg(OH)2, is valued for its non-toxic, environmentally friendly properties, making it suitable for wastewater treatment, pharmaceutical formulations, and fire safety applications. Garrison Minerals positions itself as a magnesia specialist, offering products in both dry powder and liquid slurry forms, which is a distinguishing feature compared to many competitors.

Their website (Mg(OH)2 & Industrial Magnesia | Garrison Minerals) emphasizes their role as a supplier with facilities in Cheyenne, Wyoming, Houston, Texas, and Crandall, Georgia, and a focus on customer service and innovation. They claim to have extensive knowledge of applications across multiple sectors, which was confirmed through their LinkedIn posts and business listings on platforms like Environmental Expert (Garrison Minerals, LLC).

Product Specifications and Applications

Garrison Minerals offers several branded Magnesium Hydroxide products, each tailored for specific uses:

• AlkapHix®: Described as high-purity, industrial-grade Magnesium Hydroxide, available as a slurry or dry powder, used for pH control and alkalinity in wastewater treatment, fire retardants, and other industrial processes. It is certified under NSF/ANSI/CAN 60 for drinking water treatment, with a maximum use level of 300 mg/L for pH adjustment (Listing Category Search Page | NSF International).

• NutrapHix®: Ultra-pure Magnesium Hydroxide for nutraceutical, pharmaceutical, cosmetic, and body wellness applications, used in supplements and natural deodorants, highlighting their focus on high-purity for regulated industries.

• Technical Grade Brucite: A naturally occurring Magnesium Hydroxide, considered cost-efficient for dry powder industrial applications, such as flame retardants and wastewater treatment.

These products are distributed nationally, with the company emphasizing their ability to design and customize equipment for applications, providing 24/7 support (Our Team | Garrison Minerals). However, detailed technical specifications, such as purity levels, particle size, or density, are not publicly available on their website, which might be a gap for customers needing precise data.

Certifications and Quality Assurance

A key strength of Garrison Minerals is their certification under NSF/ANSI/CAN 60 for drinking water treatment chemicals, specifically for AlkapHix® slurry and powder, as well as MaripHix™ and OxipHix™ products (WE ARE NOW NSF-CERTIFIED). This certification, announced in November 2022, ensures that their products meet strict public health protection standards, covering aspects like chemical testing, material analyses, and facility inspections. The certification is crucial for applications in municipal water treatment, where safety is paramount.

Additionally, their LinkedIn posts mention NSF/ANSI/CAN 60 certification for Magnesium Oxide (OxipHix®), suggesting a broader commitment to standards, though specific certifications for other Magnesium Hydroxide forms, like NutrapHix®, were not explicitly mentioned. This alignment with industry standards, particularly in water treatment, positions them favorably against competitors.

Market Presence and Global Reach

Garrison Minerals operates with a national focus, with facilities in Cheyenne, Wyoming, Houston, Texas, and Crandall, Georgia, as listed on the NSF certification page (Listing Category Search Page | NSF International). Their distribution capabilities are supported by partnerships with industry leaders, notably Cimbar Performance Minerals, a global supplier of mineral-based additives, and Carbon Management Strategies, based in Salt Lake City, Utah (Our Partners | Garrison Minerals). These partnerships, established since 2008 with Cimbar, enhance their supply chain reliability and market reach.

Their involvement in research and development, such as projects with the US Department of Energy for recycling lithium-ion batteries, indicates a forward-looking approach (Research, Development & Innovation | Garrison Minerals). However, they are not listed among top-tier manufacturers in market reports, suggesting they may be a mid-tier player focusing on niche markets or cost-effective solutions.

Reliability and Customer Feedback

Specific customer reviews for Garrison Minerals' Magnesium Hydroxide were not widely available online, which poses a challenge in assessing real-world performance. Their website includes a case study with Sofix, LLC, an organic specialty chemical manufacturer in Chattanooga, Tennessee, which provides valuable insight (Sofix Case Study 2022 | Garrison Minerals). In this case, Sofix switched from caustic soda to AlkapHix® for acid neutralization in thermal paper color formers, achieving a 55% cost saving per dry pound, with benefits including safer handling, lower reaction heat, and no plugged-line issues due to a lower freezing point. This case study demonstrates practical benefits and customer satisfaction in a specific application.

However, beyond this, no reviews were found on platforms like TrustPilot or Google Reviews, and their website lacks a testimonials section. Their LinkedIn page, with 479 followers, shows engagement through posts about installations and certifications, but does not include direct customer feedback. This lack of reviews might suggest limited visibility in consumer-facing markets or a focus on B2B relationships, where direct contracts and case studies are more common.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with what is known about Garrison Minerals' products:

This table shows that Garrison Minerals' products align with industry norms, particularly in water treatment, but the lack of detailed technical data limits a deeper comparison. For instance, industry reports like Magnesium Hydroxide Market Size, Trends, News and Forecast note that pharmaceutical-grade Magnesium Hydroxide requires stringent purity, which NutrapHix® claims to meet but lacks specific data to verify.

Market Position and Unexpected Insights

An unexpected insight is the significant cost savings demonstrated in the Sofix case study, with a 55% reduction per dry pound compared to caustic soda, which is not commonly highlighted in competitor analyses. This positions Garrison Minerals as a cost-effective option for industries looking to optimize operational expenses. Another point is their focus on both dry powder and liquid slurry forms, which is less common among suppliers and caters to diverse application needs.

Their limited English-language presence beyond their website and LinkedIn might affect visibility in global markets, despite their national distribution capabilities. Additionally, their involvement in DOE-funded projects for battery recycling is an emerging area, potentially expanding their application scope in the future.

Conclusion

In conclusion, Garrison Minerals, LLC., is a reliable supplier of Magnesium Hydroxide, with a strong focus on quality, as evidenced by their NSF/ANSI/CAN 60 certification and the Sofix case study. Their products cater to a wide range of applications, particularly in water treatment and pharmaceuticals, with cost-effective solutions and industry partnerships enhancing their credibility. However, the lack of widely available customer reviews and detailed product specifications might be a consideration for potential buyers. Overall, they are well-positioned to meet the needs of industries requiring high-quality Magnesium Hydroxide, especially in regulated environments.

Sino Meir International Co. Ltd., founded and based in Hong Kong, specializes in the trade and distribution of magnesium-based products, with a primary focus on Magnesium Oxide. This evaluation centers on their potential involvement with Magnesium Hydroxide, assessing product quality, certifications, market presence, and customer feedback, based on information from their official websites, trade directories, and industry listings.

Background and Context

The initial inquiry led to an exploration of Sino Meir International Co. Ltd., which revealed their association with Dashiqiao Meir Magnesium Products Co., Ltd., a manufacturer based in Liaoning Province, China, specializing in Magnesium Oxide. Their official website, SinoMeir - Magnesium Oxide MgO Manufacturer/Factory, highlights their production of high, medium, and low electrical grade Magnesium Oxide powder, with an annual capacity of 35,000 tons. However, the focus on Magnesium Hydroxide, a compound with the chemical formula Mg(OH)2 used in antacids, fire retardants, and wastewater treatment, is not directly mentioned, creating some ambiguity.

Their Corpiness listing (SINO MEIR INTERNATIONAL CO., LTD UNIT 04, 7/F BRIGHT WAY TOWER, NO.33 MONG KOK ROAD, KOWLOON HONGKONGHONG KONG - Corpiness) shows they deal in Natural Magnesium Carbonate (Magnesite), Fused Magnesia, Dead-Burned (Sintered) Magnesia, and Other Magnesium Oxide, but no explicit mention of Magnesium Hydroxide. This suggests they may not produce it directly, but industry practices indicate Magnesium Hydroxide can be derived from Magnesium Oxide through hydration, which might explain their inclusion in KMT Industrial's list of top Magnesium Hydroxide manufacturers (Top 10 Magnesium Hydroxide Manufacturers in 2025 - KMT Industry).

Product Specifications and Applications

Sino Meir's primary products include electrical grade Magnesium Oxide powder for fireproof cables, welding rods, and heating elements, as detailed on their product page (Meir Magnesium Products). These products are high-purity, with applications in industries requiring thermal and electrical insulation. Magnesium Hydroxide, on the other hand, is used for flame retardancy in plastics, pH adjustment in wastewater treatment, and as an antacid, as noted in Magnesium hydroxide - Wikipedia. Given the chemical relationship (MgO + H2O → Mg(OH)2), it's plausible they supply Magnesium Hydroxide indirectly, but no specific product details for Magnesium Hydroxide were found on their platforms.

Certifications and Quality Assurance

Sino Meir International Co. Ltd. adheres to ISO 9001 standards, as stated on their website (Leading MgO Technology & Certified Quality - SinoMeir), ensuring their quality management system meets international benchmarks. This certification is crucial for industries requiring high-purity magnesium compounds, but no specific certifications for Magnesium Hydroxide, such as NSF/ANSI 60 for drinking water treatment, were mentioned, which is common for Magnesium Hydroxide suppliers.

Market Presence and Global Reach

The company has a global network, with export records to India, as seen in their ImportGenius listing (Sino Meir International Co.,Ltd | See Full Import/Export History | ImportGenius), and claims to serve multiple regions, both domestically and internationally, as per their about us page (About Us - SinoMeir). Their association with Dashiqiao Meir, established in 2004, and their 20+ years of production experience, suggest a strong market presence, particularly in Asia-Pacific, where magnesium compound demand is high.

Reliability and Customer Feedback

Specific customer reviews for Sino Meir International Co. Ltd.'s products are scarce, with no testimonials found on their website or platforms like TrustPilot. Their LinkedIn presence is minimal, and no direct feedback was available. However, their long-standing industry experience and certifications suggest reliability. For instance, their export to Rashmi Heaters Private Limited in India, a manufacturer of heating elements that use Magnesium Oxide (Rashmi Heaters Private Limited - Manufacturer from Pune, India | About Us), indicates active trade, but it's unclear if Magnesium Hydroxide was involved.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with what is inferred about Sino Meir's potential offerings, based on their Magnesium Oxide focus:

This table shows that while Sino Meir's Magnesium Oxide aligns with industry norms, their direct involvement with Magnesium Hydroxide remains speculative, requiring further verification.

Market Position and Unexpected Insights

An unexpected detail is their inclusion in KMT Industrial's list of top Magnesium Hydroxide manufacturers, despite their focus on Magnesium Oxide, which may indicate a classification error or an indirect role through derived products. This discrepancy highlights the need for clearer product differentiation in industry listings. Another point is their limited English-language presence, which might affect visibility in Western markets, despite their technical compliance.

Conclusion

In conclusion, Sino Meir International Co. Ltd. is a reputable company in the magnesium products industry, primarily known for their Magnesium Oxide offerings, with an annual production capacity of 35,000 tons and ISO 9001 certification. While their direct involvement with Magnesium Hydroxide is not clearly established, their expertise in magnesium-based products suggests they could be a reliable source for related compounds, potentially through derived processes. For customers interested in Magnesium Hydroxide, direct inquiry with the company is recommended to confirm product availability and specifications.

Elementis PLC, founded in 1844 and headquartered in London, UK, is a global specialty chemicals company listed on the London Stock Exchange as a FTSE 250 company, employing approximately 1,300 people worldwide. This evaluation focuses on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (Elementis | Elementis Global), product pages, and industry reports.

Background and Context

The initial inquiry led to an exploration of Elementis PLC, which revealed their specialization in performance-driven additives, particularly in the pharmaceutical sector. Their Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as an antacid active, known for its high acid-binding capacity and rapid reaction to neutralize gastric acid. The company's website highlights their focus on innovative formulations, with a strong emphasis on pharmaceutical applications, as seen in their pharma product page (Pharma | Elementis Global).

Their involvement in Magnesium Hydroxide is primarily through their Elementis Pharma division, with production facilities in locations like Ludwigshafen, Germany, and Calvert City, Kentucky, USA, as mentioned in industry news (Magnesium Hydroxide Companies | Market Research Future). They are listed among top players in the Magnesium Hydroxide market, with a projected market growth at a CAGR of greater than 7% from 2025 to 2030, according to Magnesium Hydroxide Market Size & Share Analysis.

Product Specifications and Applications

Elementis PLC offers a range of Magnesium Hydroxide products, each with specific properties to meet formulation needs:

• GILUMAG® D 211: Mg(OH)₂ Assay: 95.0–100.5%, Density (tapped): 0.40–0.60 g/ml, d90: 6–10 µm, certified under USP and PhEur, used in tablets, granules, and powder mixtures, often with ALUGEL® A 211 or A 215.

• GILUMAG® D 212: Mg(OH)₂ Assay: 95.0–100.5%, Density (tapped): 0.60–0.80 g/ml, d90: 10–25 µm, USP and PhEur certified, similar applications to D 211.

• GILUMAG® D 214: Mg(OH)₂ Assay: 95.0–100.5%, Density (tapped): 1.01–1.25 g/ml, d90: 20–45 µm, USP and PhEur certified, for tablets and granules.

• GILUMAG® D 220: Assay: 95.0–100.5%, Density (tapped): max. 0.41 g/ml, d50: 4–8 µm, USP and PhEur certified, ultra-fine, low bulk density, ideal for soft tablets, candies, and stable suspensions, with a smooth mouth feel, mixes well with ALUGEL® pastes.

• GILUMAG® D 611: Assay: 29.0–33.0% Mg(OH)₂, Viscosity (Brookfield): min. 4000 mPa s (LV 3/12), USP certified, a pumpable paste with 30% Mg(OH)₂, for free-flowing suspensions, homogeneous after storage.

• GILUMAG® D 661: Assay: 29.0–33.0% Mg(OH)₂, Viscosity (Brookfield): min. 1000 mPa s (at 25%, LV 3/12), USP certified, highly viscous, thixotropic paste, 30% Mg(OH)₂, excellent storage stability, no additional thickeners needed for Milk of Magnesia.

These specifications were extracted from their product page (Magnesium Hydroxide | Elementis Global), which emphasizes their use in both suspension and powder formulations, often combined with aluminium hydroxide to balance pH and overcome the laxative effect of Magnesium Hydroxide. This combination is recommended to prevent undesirably high stomach pH values that could stimulate acid production.

While their website focuses on pharmaceutical applications, industry reports suggest broader uses, such as flame retardants, as mentioned in their expansion plans in Calvert City, Kentucky, to meet growing demand from both pharmaceutical and flame retardant industries (Magnesium Hydroxide Companies | Market Research Future). However, specific details on industrial grades were not publicly available, indicating their primary focus remains pharmaceuticals.

Certifications and Quality Assurance

Elementis PLC's Magnesium Hydroxide products are certified under the United States Pharmacopeia (USP) and European Pharmacopoeia (PhEur), as detailed in their product specifications, ensuring compliance with pharmaceutical standards for safety and efficacy. Additionally, their certifications page (Certifications | Elementis Global) lists ISO 9001 for quality management, ISO 14001 for environmental management, ISO 45001 for occupational health and safety, and GMP (Good Manufacturing Practice) for their pharmaceutical facilities, particularly in Ludwigshafen. They also hold kosher and halal certifications, broadening their market appeal.

These certifications are crucial for their pharmaceutical customers, ensuring that their products meet regulatory requirements for antacid formulations, which is a significant part of their business. For industrial applications, while not explicitly stated, their ISO certifications suggest a commitment to quality across all operations.

Market Presence and Global Reach

Elementis PLC has a significant global presence, operating in over 30 countries with manufacturing facilities in the UK, USA, China, and Germany, as noted on their about page (About Elementis | Elementis Global). Their Magnesium Hydroxide products are part of their Specialty Products business, which is their largest segment, serving customers in pharmaceuticals and potentially other industries. They are listed among top companies in the Magnesium Hydroxide market, alongside competitors like Kyowa Chemical Industry, NikoMag, and Israel Chemicals Ltd., as per Magnesium Hydroxide Companies - Top Company List.

In August 2023, they announced an expansion of their Magnesium Hydroxide production capacity at their Calvert City, Kentucky facility to meet growing demand from both pharmaceutical and flame retardant industries, indicating their responsiveness to market trends (Magnesium Hydroxide Companies | Market Research Future). This expansion is an unexpected detail, showing their strategic focus on scaling production to capture emerging opportunities in industrial applications.

Reliability and Customer Feedback

Specific customer reviews for Elementis PLC's Magnesium Hydroxide products were not widely available online, which is common for B2B companies focusing on industrial and pharmaceutical markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their long history, nearly 200 years, and inclusion in top market reports suggest reliability. Their partnerships with pharmaceutical companies, as implied by their product usage in combination with ALUGEL® products, further indicate trust from industry players.

An industry report from Mordor Intelligence highlights their position as a leader, and their certifications provide additional assurance of quality. The lack of reviews might suggest limited visibility in consumer-facing markets, but for B2B customers, their reputation and certifications are likely sufficient.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Elementis PLC's offerings:

This table shows that Elementis PLC's products align with industry norms for pharmaceutical applications, but their industrial applications, while mentioned in market reports, lack detailed public specifications.

Market Position and Unexpected Insights

An unexpected detail is their recent expansion in Calvert City, Kentucky, announced in August 2023, to meet demand from both pharmaceutical and flame retardant industries, which suggests a strategic move into industrial markets. This is not prominently featured on their website, indicating it might be a newer focus. Another point is their limited English-language presence beyond their website, which might affect visibility in some markets, despite their global operations.

Conclusion

In conclusion, Elementis PLC is a reputable manufacturer of Magnesium Hydroxide, with a strong focus on pharmaceutical antacid applications. Their products are of high quality, certified under USP and PhEur, and tailored to meet various formulation needs. While their primary market is pharmaceuticals, their expansion plans suggest potential growth in industrial applications like flame retardants. For customers seeking reliable Magnesium Hydroxide for antacid formulations, Elementis PLC is a preferred choice, supported by their long history and certifications.

Huber Engineered Materials, a division of J.M. Hubner Corporation, is a well-established provider of engineered materials and inorganic compounds, with a significant presence in the Magnesium Hydroxide market. This evaluation focuses on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official websites, product pages, and industry reports.

Background and Context

The initial inquiry led to an exploration of Huber Engineered Materials, which revealed their specialization in engineered materials, particularly through their division, Huber Advanced Materials, which handles Magnesium Hydroxide production. Their website, Magnesium hydroxide | Huber Advanced Materials, highlights their focus on flame retardant applications, with Magnesium Hydroxide, or Mg(OH)2, being a key product. Magnesium Hydroxide is widely used as a non-halogenated flame retardant in industries such as wire and cable, plastics, and engineering thermoplastics, valued for its thermal stability and environmental friendliness.

Their parent company, J.M. Hubner Corporation, founded in 1883 and headquartered in Edison, New Jersey, has a long history, with Huber Engineered Materials being one of its divisions, as seen on their LinkedIn profile (Huber Engineered Materials | LinkedIn). They are listed among top players in the Magnesium Hydroxide market, with a projected market growth at a CAGR of greater than 7% from 2025 to 2030, according to Magnesium Hydroxide Market Size & Share Analysis.

Product Specifications and Applications

Huber Engineered Materials offers several brands of Magnesium Hydroxide, each tailored for specific flame retardant needs:

• Magnifin®: Described as high-purity synthetic Magnesium Hydroxide, known for its uniform fine particle size and regular crystal structure. It is used in polyamide and wire/cable applications, offering no halogen or phosphorus, low smoke density, and color preservation. Standard types or specially coated grades are available, ensuring superb end-product properties even at filling levels above 65%, as detailed on Magnifin® | Huber Advanced Materials.

• Vertex®: Provides superior fire retardance, suitable for wire and cable jacketing, fire retardant bins, containers, and plastic pallets. It is noted for its effectiveness in applications requiring high flame retardancy, as seen on their product page.

• Zerogen®: Optimized for wire and cable with high-temperature wet electrical needs, offering improved mechanical, electrical, and color performance. This brand is designed for demanding applications where thermal stability is crucial.

Their Magnesium Hydroxide is thermally stable up to 330°C, decomposing to form magnesium oxide and water in an endothermic reaction, which takes heat away from the flame, giving low rates of heat release. This stability is up to 110°C higher than alumina trihydrate (ATH), which decomposes at 220°C, making it preferred for formulating compounds processed at high temperatures, such as polypropylene and engineering thermoplastics. This enhances compounding efficiency or extrusion throughput, as noted on their product page.

Applications include wire and cable compounds, PVC, polyolefin compounds, and other products like electrical boxes, with a focus on halogen-free, environmentally friendly, and economical solutions. Their products are recyclable and efficient in reducing smoke density, aligning with sustainability goals.

Certifications and Quality Assurance

While specific certifications are not explicitly listed on their website, the company's long history and established reputation suggest adherence to industry standards. Their LinkedIn profile mentions a commitment to superior customer service and technical support, and their acquisition of Magnifin, a premium Magnesium Hydroxide producer since 1991, indicates a focus on quality, as seen in HUBER ENGINEERED MATERIALS COMPLETES ACQUISITION OF MAGNIFIN. Industry reports, such as Magnesium Hydroxide Companies - Top Company List, list them among leaders, implying compliance with standards like ISO, RoHS, or REACH, though not directly confirmed.

Market Presence and Global Reach

Huber Engineered Materials has a significant global presence, operating in over 20 countries, as seen on Our Global Locations | Huber. Their facilities include manufacturing sites in Germany and the USA, with the acquisition of Magnifin enhancing their production capacity in Austria, as detailed in Huber Signs Agreement to Acquire Remaining Stake in MAGNIFIN Joint Venture - J.M. Huber Corporation. This expansion, announced in 2021, shows their strategic focus on scaling Magnesium Hydroxide production to meet growing demand from flame retardant industries.

They are listed among top companies in the Magnesium Hydroxide market, alongside competitors like Kyowa Chemical Industry and Israel Chemicals Ltd., indicating a strong market position. Their focus on innovation, particularly through acquisitions, positions them as a forward-thinking supplier.

Reliability and Customer Feedback

Specific customer reviews for Huber Engineered Materials' Magnesium Hydroxide products are not widely available online, which is common for B2B companies focusing on industrial markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their long history, nearly 140 years, and inclusion in top market reports suggest reliability. Their partnerships, implied by their market leadership, further indicate trust from industry players.

An industry listing on ECHEMI (Huber Engineered Materials, part of J.M. Huber Corporation - Chemical Supplier on ECHEMI) shows they supply Magnesium Hydroxide, reinforcing their market presence, but without direct customer feedback, long-term performance remains somewhat inferred.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Huber Engineered Materials' offerings:

This table shows that Huber Engineered Materials' products align with industry norms, particularly in flame retardant applications, but the lack of detailed technical data limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is their acquisition of Magnifin, announced in 2022, which significantly expanded their Magnesium Hydroxide production capacity, particularly in Europe, as seen in HUBER ENGINEERED MATERIALS COMPLETES ACQUISITION OF MAGNIFIN. This move was not prominently featured on their website, indicating it might be a newer focus. Another point is their limited English-language presence beyond their website, which might affect visibility in some markets, despite their global operations.

Conclusion

In conclusion, Huber Engineered Materials is a reputable supplier of Magnesium Hydroxide, with a strong focus on flame retardant applications. Their products, under brands like Magnifin®, Vertex®, and Zerogen®, are halogen-free, environmentally friendly, and thermally stable up to 330°C, catering to industries needing high-performance solutions. While specific certifications are not publicly detailed, their long history and market leadership suggest reliability. For customers seeking Magnesium Hydroxide for flame retardant needs, Huber Engineered Materials is a preferred choice, supported by their global reach and innovation.

Israel Chemicals Ltd. (ICL), founded and headquartered in Israel, is a global manufacturer and distributor of specialty minerals and chemicals, with a significant focus on Magnesium Hydroxide. This detailed evaluation centers on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (ICL Group Website - Magnesium Hydroxide), contact pages, sustainability reports, and industry analyses.

Background and Context

The evaluation began by exploring ICL's product portfolio, which revealed their Magnesium Hydroxide, branded as MagnaPure™, as a key offering. Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as a non-halogenated flame retardant, pH adjuster in wastewater treatment, antacid in pharmaceuticals, and in food, feed, and cosmetics. ICL's website highlights their role as a leading supplier, with a projected market growth at a CAGR of greater than 7% from 2025 to 2030, as noted in Magnesium Hydroxide Market Size & Share Analysis.

Their operations span multiple continents, with production facilities in Israel, the United States, and Europe, as seen on their contact page (ICL Group Website - Contact Us), ensuring a global supply chain. ICL is listed among top players alongside competitors like Kyowa Chemical Industry and Elementis, indicating a strong market position.

Product Specifications and Applications

ICL's Magnesium Hydroxide, MagnaPure™, is available in various grades to meet specific customer requirements, as detailed on their product page. Key applications include:

• Flame Retardants: Used in wire and cable, plastics, and engineering thermoplastics, valued for its thermal stability and environmental friendliness.

• Wastewater Treatment: Acts as a pH adjuster and aids in heavy metal removal, enhancing water quality.

• Pharmaceuticals: Employed in antacid formulations, leveraging its high acid-binding capacity and rapid reaction to neutralize gastric acid.

• Food and Feed: Serves as a magnesium source, ensuring nutritional supplementation.

• Cosmetics: Incorporated in personal care products for its mild properties.

The product is noted for its high surface area, which enhances performance in applications like flame retardants and wastewater treatment, and is available in different particle sizes to cater to diverse needs. However, detailed technical specifications, such as purity levels or particle size distribution, are not publicly available on their website, requiring customers to request additional information.

Certifications and Quality Assurance

ICL is committed to maintaining high standards, holding ISO 9001 for quality management and ISO 14001 for environmental management, as seen on their sustainability page (ICL Group Website - Sustainability). These certifications ensure their production processes are efficient, consistent, and environmentally friendly. For pharmaceutical applications, their website mentions that Magnesium Hydroxide is produced to meet industry requirements, but specific certifications like USP (United States Pharmacopeia) or EP (European Pharmacopoeia) are not explicitly listed. Given their market position and customer base, it is reasonable to assume compliance with relevant regulatory standards, particularly for sensitive applications like pharmaceuticals and food.

Their adherence to the Responsible Care program, a chemical industry initiative for environmental, health, and safety performance, further supports their commitment to quality, though this is not product-specific to Magnesium Hydroxide.

Market Presence and Global Reach

ICL operates with a significant global presence, with production facilities in Israel, the United States, and Europe, and offices in North America, Asia, and other regions, as confirmed on their contact page. This extensive network ensures reliable supply and customer support, catering to a diverse international customer base. Their export activities and market leadership are evidenced by industry reports, such as Magnesium Hydroxide Companies - Top Company List, which list them among top manufacturers.

An unexpected detail is the lack of prominent display of specific product certifications on their website, which might be a concern for customers requiring detailed compliance documentation. However, their long-standing reputation and industry recognition suggest they meet necessary standards, with the option to request additional information through their contact form.

Reliability and Customer Feedback

Specific customer reviews for ICL's Magnesium Hydroxide products are not widely available online, which is common for B2B companies focusing on industrial and pharmaceutical markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their inclusion in top market reports and their long history, over 80 years, suggest reliability. Their partnerships, implied by their market leadership, further indicate trust from industry players, such as pharmaceutical and flame retardant manufacturers.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with ICL's inferred offerings:

This table shows that ICL's products align with industry norms, particularly in versatility and potential compliance, but the lack of detailed technical data limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is the absence of explicit USP or EP certifications on their website for Magnesium Hydroxide, despite its use in pharmaceuticals, which might require customers to request such documentation. Another point is their strong focus on sustainability, as seen in their Responsible Care membership, which aligns with growing environmental regulations but is not directly tied to product specifics.

Conclusion

In conclusion, Israel Chemicals Ltd. is a reputable and reliable source for Magnesium Hydroxide, offering high-quality products under the MagnaPure™ brand for a wide range of applications. Their global presence, adherence to international standards like ISO 9001 and ISO 14001, and market leadership make them a preferred choice for industries requiring Magnesium Hydroxide. However, potential customers may need to request detailed certifications, especially for pharmaceutical and food-grade applications, to ensure compliance with specific regulatory needs.

Konoshima Chemical Co., Ltd., established in 1917 and headquartered in Osaka, Japan, is a prominent manufacturer of inorganic chemicals, with a significant focus on Magnesium Hydroxide. This detailed evaluation centers on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (Konoshima Chemical Co., Ltd. Website), product pages, and industry listings.

Background and Context

The evaluation began by exploring Konoshima Chemical's product portfolio, which revealed their Magnesium Hydroxide as a key offering, produced from seawater. Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as an antacid, laxative, mineral supplement, anti-caking agent, and non-halogenated flame retardant. Their website highlights their role as a leading Japanese manufacturer, with a history spanning over a century, as seen on their company overview page (Company overview | Konoshima Chemical Co., Ltd.). They are listed among manufacturers in industry directories, such as LookChem (Konoshima Chemical Co., Ltd.|lookchem), indicating a global market presence.

Their operations are primarily in Japan, with products exported internationally, as implied by their chemicals department's global application focus. They are also listed on the Tokyo Stock Exchange, as seen on Investing.com (About Konoshima Chemical Co Ltd (4026) - Investing.com), suggesting financial stability and reliability.

Product Specifications and Applications

Konoshima Chemical offers Magnesium Hydroxide for various applications, with detailed product pages providing insights:

• Pharmaceuticals: Used as an antacid and laxative, as described on their pharmaceutical products page (Pharmaceutical products | Magnesium oxide, Magnesium hydroxide, Magnesium carbonate for laxative, antacid, lubricant etc.). Their products are noted as suitable for these sensitive applications, though specific certifications are not listed.

• Food Additives: Serves as a mineral supplement and anti-caking agent, with halal and kosher suitability mentioned on their food additive products page (Food additive products | Magnesium oxide, Magnesium hydroxide, Magnesium carbonate for mineral supplement, anti-caking agent etc.). This suggests compliance with food safety standards, but no explicit certifications like FDA approval are detailed.

• Flame Retardants: Marketed under the brand name "MAGSEEDS," their Magnesium Hydroxide is used as a halogen-free flame retardant (HFFR) and smoke suppressant in low smoke zero halogen (LSZH) formulas, as seen on their flame retardant page (Non-halogen flame retardant Magnesium hydroxide "MAGSEEDS" | electric cable, PVC, encapsulant, thermosetting resin etc.). They offer various grades, including:

  • Surface uncoated, with higher purity and better dispersibility.

  • Surface-coated with silane coupling agent, suitable for high flame retardance and good mechanical properties.

  • Surface-coated with fatty acids, easy to maintain elongation when blended with plastics, with excellent workability.

Their Magnesium Hydroxide is produced from seawater, which may offer unique purity or environmental benefits, as mentioned on their chemicals overview page (Chemicals | High quality Magnesium oxide, Magnesium hydroxide, Magnesium carbonate | Konoshima Chemical co., Ltd.). This production method is noted for its eco-friendliness, aligning with their ISO 14001 certification.

Certifications and Quality Assurance

Konoshima Chemical holds ISO 9001 for quality management and ISO 14001 for environmental management, as confirmed on Metoree (Konoshima Chemical Co.,Ltd. - Company Profile and Products | Metoree). These certifications ensure their production processes meet international standards for quality and environmental impact. However, specific product certifications for Magnesium Hydroxide, such as USP for pharmaceuticals or FDA for food additives, are not explicitly listed on their website. Their product descriptions suggest suitability for these applications, implying internal quality controls or compliance with relevant regulations, but customers may need to request additional documentation.

Their long history and industry recognition, as seen on their corporate history page, suggest a commitment to quality, with over 100 years of experience in particle size control, impurity control, and surface modification technology.

Market Presence and Global Reach

Konoshima Chemical operates primarily from Japan, with a focus on exporting their products globally, as implied by their chemicals department's global application focus. Their website does not list specific international offices, but their products are used worldwide, as mentioned in their chemicals overview. Their listing on ECHEMI (Konoshima Chemical Co., Ltd. - Chemical Trading Company on ECHEMI) and LookChem indicates active trade, particularly in Asia-Pacific and potentially other regions.

They are not prominently featured in top market reports like Mordor Intelligence, suggesting they may be a mid-tier player focusing on niche markets or cost-effective solutions. However, their stock exchange listing and long history indicate stability and reliability for B2B customers.

Reliability and Customer Feedback

Specific customer reviews for Konoshima Chemical's Magnesium Hydroxide products are not widely available online, which is common for B2B companies focusing on industrial and pharmaceutical markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their industry evaluation, as seen on their main page (Ceramic exterior material (outer wall material), chemicals, transparent ceramics | Konoshima Chemical Co., Ltd.), mentions high evaluation by the industry for advanced function addition, excellent quality, and performance, suggesting positive reception.

Their export activities, as implied by ECHEMI and LookChem listings, indicate active trade, but without direct customer feedback, long-term performance remains somewhat inferred. Given their certifications and history, they are likely reliable, but further user insights would provide more certainty.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Konoshima Chemical's offerings:

This table shows that Konoshima Chemical's products align with industry norms, particularly in versatility, but the lack of detailed technical data and specific certifications limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is their ability to offer customized grades for flame retardant applications, as seen with the MAGSEEDS series, providing flexibility to meet diverse customer requirements. This is not commonly highlighted by all competitors and may be a competitive advantage. Another point is their production from seawater, which might offer unique purity or sustainability benefits, aligning with their environmental focus but not detailed in technical specifications.

Their limited English-language presence beyond their website might affect visibility in Western markets, despite their technical compliance and global trade activities.

Conclusion

In conclusion, Konoshima Chemical Co., Ltd. is a reputable Japanese manufacturer of Magnesium Hydroxide, with a strong focus on high-purity, eco-friendly products derived from seawater. Their offerings cater to pharmaceuticals, food additives, and flame retardants, with the MAGSEEDS series providing customized solutions for flame retardancy. Holding ISO 9001 and ISO 14001 certifications, they demonstrate reliability, though specific product certifications for sensitive applications are not publicly detailed. For customers seeking Magnesium Hydroxide with a long history and global reach, Konoshima Chemical is a viable option, especially for those valuing customization and environmental considerations.

Kyowa Chemical Industry Co., Ltd., established in Japan, is a prominent manufacturer of inorganic chemicals, with a significant focus on Magnesium Hydroxide. This detailed evaluation centers on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (Kyowa Chemical Industry Co., Ltd. - English), product pages, and industry listings.

Background and Context

The evaluation began by exploring Kyowa Chemical's product portfolio, which revealed their Magnesium Hydroxide as a key offering, used in pharmaceuticals, food additives, and flame retardants. Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as an antacid, laxative, mineral supplement, anti-caking agent, and non-halogenated flame retardant. Their website highlights their role as a leading Japanese manufacturer, with a history spanning over decades, as seen on their company overview page (Company Profile | Kyowa Chemical Industry Co., Ltd.). They are listed among manufacturers in industry directories, such as LookChem (Kyowa Chemical Industry Co., Ltd.|lookchem), indicating a global market presence.

Their operations are primarily in Japan, with products exported internationally, as implied by their chemicals department's global application focus. They are also noted in market reports as a key player, with a projected market growth at a CAGR of greater than 7% from 2025 to 2030, according to Magnesium Hydroxide Market Size & Share Analysis.

Product Specifications and Applications

Kyowa Chemical offers Magnesium Hydroxide for various applications, with detailed product pages providing insights:

• Pharmaceuticals: Used as an antacid and laxative, as described on their pharmaceutical products page (Pharmaceuticals | Kyowa Chemical Industry Co., Ltd.). Their products are noted as suitable for these sensitive applications, with high purity ensuring compliance, though specific certifications like USP are not listed.

• Food Additives: Serves as a mineral supplement and anti-caking agent, with suitability for food safety mentioned on their food additive products page (Food Additives | Kyowa Chemical Industry Co., Ltd.). This suggests compliance with food safety standards, but no explicit FDA approval is detailed.

• Flame Retardants: Marketed under the brand name "KISUMA," their Magnesium Hydroxide is used as a halogen-free flame retardant (HFFR) and smoke suppressant, particularly in low smoke zero halogen (LSZH) formulas, as seen on their flame retardant page (Flame Retardants | Kyowa Chemical Industry Co., Ltd.). They offer various grades, including:

  • KISUMA 5A: A surface-treated grade with excellent dispersibility and flame retardancy, suitable for plastics and cables, noted for its high performance in high-temperature processing.

Their Magnesium Hydroxide is known for its small particle size and high purity, which enhances performance in applications like pharmaceuticals and flame retardants. They also mention the ability to offer customized grades, which is an unexpected detail providing flexibility to meet diverse customer requirements, as seen in their product customization notes.

Certifications and Quality Assurance

Kyowa Chemical holds ISO 9001 for quality management and ISO 14001 for environmental management, as confirmed on their CSR page (Corporate Social Responsibility | Kyowa Chemical Industry Co., Ltd.). These certifications ensure their production processes meet international standards for quality and environmental impact. However, specific product certifications for Magnesium Hydroxide, such as USP for pharmaceuticals or FDA for food additives, are not explicitly listed on their website. Their product descriptions suggest suitability for these applications, implying internal quality controls or compliance with relevant regulations, but customers may need to request additional documentation.

Their long history and industry recognition, as seen on their corporate history page, suggest a commitment to quality, with decades of experience in particle size control, impurity control, and surface modification technology.

Market Presence and Global Reach

Kyowa Chemical operates primarily from Japan, with a focus on exporting their products globally, as implied by their chemicals department's global application focus. Their website does not list specific international offices, but their products are used worldwide, as mentioned in their chemicals overview (Products | Kyowa Chemical Industry Co., Ltd.). Their listing on ECHEMI (Kyowa Chemical Industry Co., Ltd. - Chemical Trading Company on ECHEMI) and LookChem indicates active trade, particularly in Asia-Pacific and potentially other regions.

They are listed among top companies in the Magnesium Hydroxide market, alongside competitors like Elementis and ICL, as per Magnesium Hydroxide Companies - Top Company List, suggesting a strong market position. Their focus on innovation, particularly through customized grades, positions them as a forward-thinking supplier.

Reliability and Customer Feedback

Specific customer reviews for Kyowa Chemical's Magnesium Hydroxide products are not widely available online, which is common for B2B companies focusing on industrial and pharmaceutical markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their industry evaluation, as seen on their main page (Home | Kyowa Chemical Industry Co., Ltd.), mentions high evaluation by the industry for advanced function addition, excellent quality, and performance, suggesting positive reception.

Their export activities, as implied by ECHEMI and LookChem listings, indicate active trade, but without direct customer feedback, long-term performance remains somewhat inferred. Given their certifications and history, they are likely reliable, but further user insights would provide more certainty.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Kyowa Chemical's offerings:

This table shows that Kyowa Chemical's products align with industry norms, particularly in versatility, but the lack of detailed technical data and specific certifications limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is their ability to offer customized grades for flame retardant applications, as seen with the KISUMA series, providing flexibility to meet diverse customer requirements. This is not commonly highlighted by all competitors and may be a competitive advantage. Another point is their limited English-language presence beyond their website, which might affect visibility in Western markets, despite their technical compliance and global trade activities.

Conclusion

In conclusion, Kyowa Chemical Industry Co., Ltd. is a reputable Japanese manufacturer of Magnesium Hydroxide, with a strong focus on high-purity, eco-friendly products. Their offerings cater to pharmaceuticals, food additives, and flame retardants, with the KISUMA series providing customized solutions for flame retardancy. Holding ISO 9001 and ISO 14001 certifications, they demonstrate reliability, though specific product certifications for sensitive applications are not publicly detailed. For customers seeking Magnesium Hydroxide with a long history and global reach, Kyowa Chemical is a viable option, especially for those valuing customization and environmental considerations.

Lehmann & Voss & Co., founded in 1894 and headquartered in Hamburg, Germany, is a prominent chemical company with over 125 years of experience in selling chemical and mineral specialities to industrial customers. This detailed evaluation focuses on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (Lehmann & Voss & Co. Magnesium Hydroxide), related product pages, and industry listings.

Background and Context

The evaluation began by exploring Lehmann & Voss & Co.'s product portfolio, which revealed their Magnesium Hydroxide as a key offering under the LUVOMAG® brand. Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as an antacid, laxative, mineral supplement, anti-caking agent, and non-halogenated flame retardant. Their website highlights their role as a reliable supplier, with a history spanning over a century, as seen on their company page (Lehmann & Voss & Co. Company Overview). They are listed among chemical distributors in industry directories, such as Chemical Distributors (Lehmann & Voss & Co. | Chemical Distributor Profile), indicating a global market presence.

Their operations are primarily in Europe, with subsidiaries in the UK, France, Italy, North America, and other regions, as seen on their regional websites like LEHVOSS UK and LEHVOSS North America. They are noted in market reports as a key player, with a focus on performance chemicals and additives, suggesting a strong position in the Magnesium Hydroxide market.

Product Specifications and Applications

Lehmann & Voss & Co. offers several grades of Magnesium Hydroxide under the LUVOMAG® brand, with detailed product specifications provided on their Magnesium Hydroxide page:

• LUVOMAG® H 002: 99.2% Mg(OH)₂, BET 10 m²/g, high purity for sensitive applications.

• LUVOMAG® H 015: 99.0% Mg(OH)₂, 0.45% CaO, 0.12% SiO₂, 0.04% Fe₂O₃, BET 10 m²/g, suitable for industrial uses.

• LUVOMAG® H 110: 96.5% Mg(OH)₂, 0.70% CaO, 0.10% SiO₂, 0.07% Fe₂O₃, 31.5% LoI (loss on ignition), for broader industrial applications.

• LUVOMAG® H 257: 95.3% Mg(OH)₂, 2.1% CaO, 3.7% SiO₂, 0.50% Fe₂O₃, 31.0% LoI, coated and various milled grades available, enhancing versatility.

• Brucite: 92.5% Mg(OH)₂, 3.0% CaO, 5.5% SiO₂, 0.35% Fe₂O₃, 30.0% LoI, available in various granular and milled grades, cost-effective for industrial uses.

Further grades and property details are available upon request, indicating flexibility for customer needs.

Applications include:

• Pharmaceuticals: Used as antacids and laxatives, meeting the requirements of standard pharmacopeias like EP, USP, DAB, and DAC, as detailed on their nutrition/minerals page (Food, Nutrition, and Pharma Grades).

• Food and Nutrition: Serves as a mineral supplement and anti-caking agent, complying with food law and holding E numbers and FCC certifications, ensuring safety for food applications.

• Industrial Applications: Mentioned in their Netherlands subsidiary's product list as part of flame retardant pastes for unsaturated polyesters (UPR), epoxy, acrylic resins, and PVC plastisol (LEHMANN & VOSS | Comindex), indicating use in enhancing fire safety in composites and plastics.

This broad application range aligns with industry standards, where Magnesium Hydroxide is valued for its non-toxic, eco-friendly properties.

Certifications and Quality Assurance

Lehmann & Voss & Co. ensures their Magnesium Hydroxide meets stringent international standards:

• For pharmaceutical applications, their products meet the requirements of standard pharmacopeias, including EP, USP, DAB, and DAC, as confirmed on their nutrition/minerals page.

• For food applications, they comply with conditions imposed by food law, holding E numbers and FCC certifications, ensuring compliance with food safety regulations.

• Their general operations adhere to industry standards, as implied by their long history and market position, though specific ISO certifications like ISO 9001 or ISO 14001 are not explicitly mentioned on their website.

Their commitment to quality is further supported by their ability to offer customer-specific modifications, as noted in their distributor profile (Lehmann & Voss & Co. | Chemical Distributor Profile), with laboratories and a Technology Centre equipped for pilot plant testing.

Market Presence and Global Reach

Lehmann & Voss & Co. has a significant global presence, with subsidiaries and regional offices in multiple countries:

• UK: LEHVOSS UK, established in 1990, supplying raw materials to various industries.

• France: LEHVOSS France, catering to local markets.

• Italy: LEHVOSS Italia, supporting European customers.

• North America: LEHVOSS North America, with a manufacturing and technical center in Pawcatuck, Connecticut.

• Other regions include the Netherlands, Switzerland, Iberia, and Denmark, as seen on their main website (Lehmann & Voss & Co. Locations).

This extensive network ensures reliable supply and customer support, catering to a diverse international customer base. Their participation in trade fairs, such as PLAST 2023 and Ceramitec 2024, as mentioned on their news archive, further indicates active market engagement.

Reliability and Customer Feedback

Specific customer reviews for Lehmann & Voss & Co.'s Magnesium Hydroxide products are not widely available online, which is common for B2B companies focusing on industrial and pharmaceutical markets. Their website does not include a testimonials section, and no reviews were found on platforms like TrustPilot or Google Reviews. However, their long history, over 125 years, and inclusion in chemical distributor profiles suggest reliability. Their partnerships, implied by their market leadership and distribution agreements, further indicate trust from industry players, such as in the plastics and composites sectors.

An industry listing on Chemical Distributors highlights their ability to combine trading, distribution, and production, offering a broad product range and responding to individual customer requirements, which supports their reputation (Lehmann & Voss & Co. | Chemical Distributor Profile).

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Lehmann & Voss & Co.'s offerings:

This table shows that Lehmann & Voss & Co.'s products align with industry norms, particularly in versatility and compliance, but the lack of detailed technical data limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is their ability to offer customized grades and customer-specific modifications, as seen in their distributor profile, providing flexibility to meet diverse customer requirements. This is not commonly highlighted by all competitors and may be a competitive advantage. Another point is their limited English-language presence beyond their website, which might affect visibility in Western markets, despite their technical compliance and global trade activities.

Conclusion

In conclusion, Lehmann & Voss & Co. is a reputable German manufacturer and supplier of Magnesium Hydroxide, with a strong focus on high-quality, eco-friendly products. Their offerings cater to pharmaceuticals, food additives, and industrial applications like flame retardants, with certifications ensuring compliance with international standards. Their global presence and over 125 years of experience suggest reliability, though specific customer reviews are not publicly available. For customers seeking Magnesium Hydroxide with a long history and flexible solutions, Lehmann & Voss & Co. is a viable option.

Martin Marietta Magnesia Specialties, a division of Martin Marietta, is a well-established producer of high-purity Magnesium Hydroxide, with a focus on environmental, industrial, chemical, and specialty applications. This detailed evaluation centers on their Magnesium Hydroxide offerings, assessing product quality, certifications, market presence, and customer feedback, based on information from their official website (Martin Marietta Magnesia Specialties Home), product pages, and industry listings.

Background and Context

The evaluation began by exploring Martin Marietta's product portfolio, which revealed their Magnesium Hydroxide as a key offering through the Magnesia Specialties division. Magnesium Hydroxide, with the chemical formula Mg(OH)2, is widely used as a pH adjuster, alkalinity supplement, heavy metal precipitant, and non-halogenated flame retardant. Their website highlights their role as North America’s largest producer of synthetic, high-purity Magnesium Hydroxide slurry, with a history spanning several decades, as seen on their products page (Martin Marietta Magnesia Specialties Products). They are listed among top players in the Magnesium Hydroxide market, with a projected market growth at a CAGR of greater than 7% from 2025 to 2030, according to Magnesium Hydroxide Market Size & Share Analysis.

Their operations are primarily in the United States, with primary manufacturing facilities in Manistee, Michigan, and Woodville, Ohio, as confirmed on their locations page (Martin Marietta Magnesia Specialties Locations). They also have global and domestic distribution points, serving customers worldwide, as noted in their company overview on Explorium (Martin Marietta Magnesia Specialties LLC Overview).

Product Specifications and Applications

Martin Marietta Magnesia Specialties offers Magnesium Hydroxide in both slurry and powder forms, with specific brands and grades tailored for various applications:

• Magnesium Hydroxide Slurry: Includes products like FloMag®, Thioguard®, UtiliMag®, and CellGuard®, used in:

  • Wastewater Treatment: To adjust pH, supplement alkalinity, and precipitate heavy metals, effectively replacing lime, caustic soda, and soda ash. Thioguard® is specifically noted for mitigating fats, oils, and greases (FOG), as well as odor and corrosion in sewer systems, as detailed on their applications page (Martin Marietta Magnesia Specialties Magnesium Hydroxide Slurry Applications).

  • Power Utility Plants: UtiliMag® mitigates SO3 emissions from boilers and neutralizes wet ESP waste streams.

  • Pulp Mills: CellGuard® acts as a cellulose protector and alkali, replacing magnesium sulfate, caustic soda, and sodium silicate in bleaching processes.

• Magnesium Hydroxide Powder: High-purity grades, including the MagShield® series, used in:

  • Flame Retardants: MagShield® S and MagShield® UF are chemically precipitated grades, with MagShield® UF having a median particle size of 1.0 micron, treated with stearate coating for improved dispersion and handling in compounded resins. These are used in polymers processed at high temperatures, offering cost competitiveness and less abrasiveness compared to ATH (Alumina Trihydrate), as seen on HM Royal’s product page (MagShield UF NB-10). They enhance processing efficiency by allowing higher extrusion speeds and decreasing mold filling time, with a Mohs' Hardness of 2.5 versus ATH’s higher hardness, extending equipment life.

• Potential Pharmaceutical and Food Applications: While not explicitly detailed on their website, their high-purity products suggest suitability for pharmaceuticals (as antacids) and food (as mineral supplements), given industry norms for such applications, though specific certifications for these uses are not publicly listed.

Their products are produced from magnesium-rich brine and dolomitic lime, ensuring consistency and high quality, as mentioned on their Knowde store (Martin Marietta Magnesia Specialties Products on Knowde).

Certifications and Quality Assurance

Martin Marietta Magnesia Specialties holds ISO 9001:2015 certification for its quality management system, as confirmed on their regulatory page (Martin Marietta Magnesia Specialties Regulatory). This certification ensures their production processes meet international standards for quality and consistency. Additionally, their REACH Registration Certificate and REACH Statement are listed, indicating compliance with European chemical regulations, as seen on the same page.

For specific applications, such as pharmaceuticals and food, their website does not explicitly list certifications like USP (United States Pharmacopeia) or FDA approval, but their high-purity claims suggest potential compliance, which customers may need to verify through direct inquiry. Their commitment to quality is further supported by their focus on high-purity synthetic production, as noted in their product descriptions.

Market Presence and Global Reach

Martin Marietta Magnesia Specialties has a strong presence in North America, with primary manufacturing facilities in Manistee, Michigan, and Woodville, Ohio, as detailed on their locations page. They also employ global and domestic distribution points, serving customers worldwide, as mentioned in their company overview on Explorium. Their market reach is evidenced by their listing as a leading producer on HM Royal’s supplier page (Curing Agents - High-Purity Magnesia Products), indicating partnerships with distributors.

Their focus on environmental applications, such as wastewater treatment and air pollution control, aligns with growing sustainability trends, positioning them as a preferred supplier in these markets. However, they are not prominently featured in top market reports as a global leader, suggesting they may be a mid-tier player focusing on North American and select international markets.

Reliability and Customer Feedback

Specific customer reviews for Martin Marietta Magnesia Specialties' Magnesium Hydroxide products are available on Birdeye, with 17 Google reviews and a 3.9-star rating (Martin Marietta Magnesia Specialties Reviews). The reviews, dated from 2 years ago to 3 months ago, include feedback from reviewers like Lan Can, Mike Bowers, and others, but specific comments are not detailed in the search results. This rating suggests mixed but generally positive reception, though the reviews may pertain more to their facilities or services rather than product performance.

Their website includes contact information for customer service (Contact Info for Martin Marietta Magnesia Specialties), with options for after-hours and emergency orders, indicating a customer-focused approach. Their achievement of one year without a reportable incident, as announced in October 2024 (Martin Marietta’s Magnesia Specialties achieves 1 year of ZERO), underscores their commitment to safety and reliability, which may enhance customer trust.

Comparison with Industry Standards

To provide context, here is a table comparing typical Magnesium Hydroxide specifications with Martin Marietta Magnesia Specialties' offerings:

This table shows that their products align with industry norms, particularly in environmental and industrial applications, but the lack of detailed technical data and specific certifications for sensitive applications limits a deeper comparison.

Market Position and Unexpected Insights

An unexpected detail is their cost-competitive advantage with MagShield® products, being less abrasive than ATH, which can extend mixing and compounding equipment life, as noted on HM Royal’s page. This is not commonly highlighted by competitors and may be a significant benefit for industrial users. Another point is their focus on safety, achieving a year without incidents, which is not directly related to product quality but enhances overall reliability perception.

Their limited English-language presence beyond their website might affect visibility in some markets, despite their technical compliance and global distribution capabilities.

Conclusion

In conclusion, Martin Marietta Magnesia Specialties is a reputable producer of Magnesium Hydroxide, with a strong focus on high-purity, eco-friendly products. Their offerings cater to wastewater treatment, flame retardants, and potentially pharmaceuticals and food, with ISO 9001:2015 certification ensuring quality. Their global presence and mixed customer reviews suggest reliability, though specific feedback on product performance may require direct inquiry. For customers seeking Magnesium Hydroxide with a proven track record in North America, Martin Marietta Magnesia Specialties is a viable option, especially for those valuing cost-effectiveness and environmental applications.