Jinlier International study and develop the utilizing of natural brucite to produce ultra thin magnesium hydroxide powder and a serial of magnesium hydroxide flame retardant. Natural brucite after artificial choose and coarse crushing fine crushing, then adopt self-developed dry pelletization ball mill to make average magnesium hydroxide powder body under 3um.The purity of magnesium hydroxide is above 94%, and it doesn’t have nontoxic composition. After processing of surface activity, it has fine dispersiveness and mobility in resin; also it can maintain the material’s mechanical intensity and flame retardant function, at the same time it solved the problem of poor acid-resistant. This product can really help you to make the polymeric materials no halogen environment-friendly burned, nontoxic and smoke eliminating, which is beneficial to environment protection.
Advantage of natural magnesium hydroxide:
1.Fine flame retardant and smoke suppression
2.Halogen-free
3.Fine thermal stability, the decomposition temperature is 330℃, which is higher than that of aluminum hydroxide（220℃）, (permit higher processing temperature) suitable for higher processing temperature resin.
4.Nontoxic, non-smell, and non-corrosive
5.Do not produce the toxic gas while burning
6.Because it produces a large amount of vapor while burning, which can take heat away, reduce the temperature
7.The hardness is lower than the aluminum hydroxide; it has small wear and tear to the equipment.
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| Specifications︰ | Item Index value Remarks
Mg(OH)2 % ≥94
CaO % ≤1.0
SiO2 % ≤1.6
Fe2O3 % ≤0.15
Burnt loss in weight % 30
Decomposition temperature 340
Acid insolubles % ≤1.5
Whiteness ≥90
Particle diameter D50(Average Particle diameter)
5-6μm,3-4μm,2μm They are available according to user's request.
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