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Precipitated Magnesium Hydroxide

Precipitated superfine magnesium hydroxide coated by KMT patent formula, can easy dispersing in PP, PE, EVA, POE, EPDM, XLPE, PA, ABS compound.

High purity, high whiteness, low moisture content, high bulk density, easy flow, anti-bridge and agglomeration-resistant, easily used in auto-loading and feeding system, low compounding torque, no white spot, good surface quality and no shark skin.
Gives good mechanical properties, good flame retardant and smoke absorb properties.
Coating: KMT patent.
Processing temperature less than 300°C.
Packing: 25kg bags or big bag.

Description

Reviews

PM Patent “SN” coated

Introduction

MgCl2+2NH3•H2O=Mg(OH)2↓+2NH4Cl

Coated by KMT patent formula, easy dispersing in PP, PE, EVA, POE, EPDM, XLPE, PA, ABS compound.

Advantages

High purity, high whiteness, low moisture content, high bulk density, easy flow, anti-bridge and agglomeration-resistant, easily used in auto-loading and feeding system, low compounding torque, no white spot, good surface quality and no shark skin.

Gives good mechanical properties, good flame retardant and smoke absorb properties.

A good replacement of hexagonal plate type magnesium hydroxide in some formulas, cost saving solution for normal HFFR compound.

Coating: KMT patent.

Processing temperature less than 300°C

Packing: 25kg bags or big bag.

GRADE	PM5SN	PM3SN	B3SN
Mg(OH)2 (%)	≥99	≥99	≥90
CaO (%)	≤0.10	≤0.10	≤0.10
Fe2O3 (%)	≤0.005	≤0.005	≤0.005
Acid Insolubles (%)	≤0.10	≤0.10	≤0.10
Loss on ignition (%)	≥30	≥30	≥30
Whiteness (R457%)	≥99	≥99	≥98
Particle Size D50 (μm)	1.4-1.7	2.5-3.2	2.5-3.2
BET (m2/g)	15-18	10-13	10-13
Moisture (%)	≤0.5	≤0.5	≤0.5
Bulk Density (g/cm3)	0.5	0.5	0.5
Coating	KMT patent	KMT patent	KMT patent

Below are SEM, TGA, and PSD of MDH PM5S.

PM Special coated

Introduction

PM3E is a high purity synthetic magnesium hydroxide. It is modified grades coated tailor-made for no EVA, PE-based formula, such as PE, PE/POE...,

PM3AS is a modified Mg(OH)2 coated with composite surface additives for silicon rubber, gap filler application.

PM3V it is tailor-made for PVC-based formula, aiming to replace Sb2O3 in low smoke flame retardant PVC formula without lowering the oxygen index and mechanical properties of the original PVC compound.

Coating: KMT patent.

Processing temperature less than 300°C.

Packing: 25kg bag or big bag.

GRADE	PM3E	PM3AS	PM3V
Mg(OH)2 (%)	≥99	≥99	≥99
CaO (%)	≤0.10	≤0.10	≤0.10
Fe2O3 (%)	≤0.005	≤0.005	≤0.005
Acid Insolubles (%)	≤0.10	≤0.10	≤0.10
Loss on ignition (%)	≥30	≥30	≥30
Whiteness (R457) (%)	≥99	≥99	≥98
Particle Size D50 (μm)	2.5-3.2	2.5-3.2	2.5-3.2
BET (m2/g)	10-13	10-13	10-13
Moisture (%)	≤0.5	≤0.5	≤0.5
Bulk Density (g/cm3)	0.5	0.5	0.5
Coating	KMT patent for FR PE	KMT patent for rubber	KMT patent for FRLS PVC

PM Silane coated

Introduction

MgCl2+2NH3•H2O=Mg(OH)2↓+2NH4Cl

Coated by KMT patent formula, easy dispersing in PP, PE, EVA, POE, EPDM, XLPE, PA, ABS compound.

Advantages

Gives good mechanical properties, good flame retardant and smoke absorb properties.

Coating: KMT patent.

Processing temperature less than 300°C.

Packing: 25kg bags or big bag.

GRADE	PM5S	PM3S
Mg(OH)2 (%)	≥99	≥99
CaO (%)	≤0.10	≤0.10
Fe2O3 (%)	≤0.005	≤0.005
Acid Insolubles (%)	≤0.10	≤0.10
Loss on ignition (%)	≥30	≥30
Whiteness (R457) (%)	≥99	≥99
Particle Size D50 (μm)	1.4-1.7	2.5-3.2
BET (m2/g)	15-18	10-13
Moisture (%)	≤0.5	≤0.5
Bulk Density (g/cm3)	0.5	0.5
Coating	Silane	Silane

Below are SEM, TGA, and PSD of MDH PM5S.

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