Donggang Junmei Minerals Co., Ltd.

home products Non-metallic Minerals Mg(OH)2 Powder

Mg(OH)2 Powder

Product Details:

Secondary Or Not	Is Secondary
Place of Origin	Liaoning, China (Mainland)
Brand Name	JUNMEI

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Detailed Product Description

1. Chemicals content:
Mg(OH)₂ %95
CaO%1.00
Fe₂O₃ %0.35
SiO₂ %3.00
Loss on ignition %≥30
Beginning decompound temperature ^OC340

2. Specification for Magnesium Hydroxide

Chemical position\Size	JM-50	JM-20	JM-10	JM-6	JM-4	JM-2
Chemical position\Size	325 mesh	800 mesh	1250 mesh	2500 mesh	3500 mesh	6250 mesh
MgO%	≥65	≥65	≥65	≥65	≥65	≥65
CaO%	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
SiO₂%	≤3.0	≤3.0	≤3.0	≤3.0	≤3.0	≤3.0
Fe₂O₃%	≤0.35	≤0.35	≤0.35	≤0.35	≤0.35	≤0.35
Water%	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
Loss on Ignition	≥30	≥30	≥30	≥30	≥30	≥30
Whiteness	≥90	≥90	≥92	≥92	≥93	≥95
specific surface area (m²/g)	≥8	≥8	≥8	≥8	≥8	≥8
Grain Size D50,μm	50	20	10	6	4	2
activation index	≥95	≥95	≥95	≥95	≥95	≥95

3. The characteristic of brucite and flame retardant
3.1 By improving the surface of our product, it improves the compatibility
with the high polymer material. Strengthen its strong function. In this way it can make good use of material and reduce the cost of the final products.
3.2 This product doesnt produce the poisonous gas while burning. Its hot stability is fine, resolve temperate is high which suits for processing in high temperature.
3.3 Preventing from burning and good restrain smoke function, which can make the products up to the standard of UL94VO.

4. Functions
This products belong to non-halogen, smokeless, have no leaked, no toxicity retardant. It is the ideal retardant material on rubber, plastic rubbers, electric apparatus, engineering plastic etc. And it can be widely used in PP. PE. PS. PC. ABS. EVA. PVC, EPDM etc. It also can be used in such kinds of engineering plastic as PBT, PA under the conditions of high temperature and simultaneously used with many other kinds of retardants, thus make the products have very good retardant performance of smoke elimination. In product of application, it is suitable for wires, cables, electric apparatus, building material, glass fiber, and so on. Provided using 50% magnesium hydroxide instead of hydrogen alumina in the PVC and rubber, it would obviously improve the function of restraining smoke and the rate of oxygen.