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Contact: Wanli Wang
Company: Zhengzhou Top Trading Co,. Ltd
Suite 812, Tower F, Jianye Headquarters, East Nongye Road & West Ruyi Road, Zhengzhou, Henan, China.
zhengzhou ,Henan 450000
Phone: 86-371-86631068/18839792591
Fax: 86-371-86631067
E-Mail: Send Inquiry
Date/Time:  4/11/18 5:46 GMT

Magnesium Hydroxide as flame retardant, filler, anti-smoke additive

1. Description of Magnesium Hydroxide (Chemical synthesis)

1. Molecular Formula: Mg(OH)2
2. Molecular weight: 58.32
3. Exterior: White powder
4. After years of research and experiments, our company has large-scale produce
the high-purity Magnesium Hydroxide. This product is made from natural brine as
raw material, Through the synthesis reaction, filtering, washing, drying and other
processes processed.

2. Specifications of Magnesium Hydroxide (Chemical synthesis)

Top-3001 Top-3002 Top-3003
Mg(OH)2≥ % 99.5 99.5 98.5
CaO≤ % 0.02 0.02 0.02
Hydrochloric acid insoluble matter≤ % 0.05 0.05 0.05
Moisture≤ % 0.20 0.20 0.20
Cl≤ % 0.05 0.05 0.05
Fe≤ % 0.005 0.005 0.005
Sieve residue(75μm)≤ % 0.01 0.01 0.01
Size(D50)μm 1.5-2.0 2.0-3.0 5.0-7.0
Ignition loss≥ % 31.0 31.0 31.0
Whiteness≥ % 96.0 96.0 96.0
Appearance white powder
Modifier Application
Fatty acid coupling agent For PVC,polyethylene copolymer and rubber
Vinyl silane coupling agent For crosslinking or graft-linking ethylene
body,silane rubber and PVC
Amino silane coupling agent For polar polyethylene copolymer(EVA,EEA) and
Epoxy silane coupling agent For Epoxy and other Thermosetting resins

3. Application of Magnesium Hydroxide (Chemical synthesis)

Magnesium hydroxide is very excellent fire retardant for plastic and rubber
product. Widely used in PP, PE, EVA, PVC,ABB, HIPS, PA, Epoxy, Rubber and Paint

Since thermal decomposition temperature of Mg(OH)2 is high that more suitable for
high-temperature processing of plastic.

Minimum Order: 20 metric tons

SOURCE: Import-Export Bulletin Board (
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