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Hexagonal Magnesium Hydroxide

Synthetic magnesium hydroxide, halogen free flame retardant for PE, PP, POE, EPDM, EVA, XLPE, PVC, TPU, PA and ABS based compound.

HP series products comply with RoHS requirements and have REAC

KMT Hexagon plate structure provides good fluidity and dispersion.
Could achieve high elongation at break.
Good charing formation performance.
BET controlled
Easy dispersing
Lower compounding torque
Higher compound MFI

Description

Reviews

HP Series

Introduction

Halogen free flame retardant for PE, PP, POE, EPDM, EVA, XLPE, PVC, TPU, PA and ABS based compound.

HP series products comply with RoHS requirements and have REACH certification.

Advantages

KMT Hexagon plate structure provides good fluidity and dispersion.

Could achieve high elongation at break.

Good charing formation performance.

BET controlled. Easy dispersing.

Lower compounding torque.

Higher compound MFI.

Processing temperature less than 300°C

Packing: 25kg bag or big bag.

GRADE	HP7	HP7N
Mg(OH)2 (%)	≥99	≥99
CaO (%)	≤0.01	≤0.01
Iron as Fe2O3 (%)	≤0.002	≤0.002
Cl－ (%)	≤0.1	≤0.1
Insoluble matter in hydrochloric acid (%)	≤0.1	≤0.1
Na＋(%)	≤0.05	≤0.05
loss on ignition (%)	30-32	30-32
Whiteness (R457) (%)	≥99	≥99
Moisture (%)	≤0.5	≤0.5
BET (m2/g)	＜7	＜7
Density (g/cm3)	2.3	2.3
Particle size (μm)	D50: 1.2-1.6	D50: 1.2-1.6
Coating	Non-coated	KMT patent coated

Download

KMT Industrial MDH ATH Catalogue 2026.pdf

Share your thoughts with us today! Showing

Yamada - JP

5/5 stars

Jan 31.2025

Their R&D co-developed a 300°C-stable HP7N/ATH blend for our automotive PP. Passed 1,200hrs thermal cycling without torque fluctuations.

Sato - DE

5/5 stars

Jan 03.2025

Their HP7's <0.002% Fe₂O₃ eliminated discoloration in medical-grade tubing. REACH compliance simplified EU exports.

Lagos - NG

5/5 stars

Nov 05.2024

KMT's Turkish warehouse stocked P1S silane-grade MDH within 72hrs during port strikes. Maintained 100% production uptime for our African cable clients.

Müller - DE

5/5 stars

Sep 10.2024

Validated HP7's ≤0.002% Fe₂O₃ purity for medical-grade PVC tubing. Zero ionic contamination in 6M accelerated aging tests.

Petrov - RS

5/5 stars

Aug 20.2024

Switched to P1SA's stearic coating for HFFR PE pipes - 18% higher MFI vs. traditional MDH. Cut energy costs by 2.8¢/kg during Balkan infrastructure rollout.

Zhang - CN

5/5 stars

Jul 15.2024

KMT's HP7N with D50=1.6μm particle distribution eliminated our compounding filter clogs. Achieved 98% UL94 V-0 consistency across 12 extrusion lines.

Chen - CN

5/5 stars

Mar 12.2024

KMT's HP7N with patent coating cut our PVC cable torque by 18% while maintaining UL94 V-0. Passed 48hr smoke density tests first attempt.

Alvarez - US

5/5 stars

Dec 25.2023

Switched to P1SA's stearic acid coating for truck tarp compounds - 12% faster extrusion rates vs. traditional MDH. 0 scorching at 285°C throughput.

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