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Magnesium Fluorosilicate[ORDER]
Formulae:MgSiF6·6H2O
Molecular Weight: 274.48
UN. NO.:2853
HAZARD CLASS:6.1
H.S. CODE:2826.9000
Physical chemistry properties: white rhombus or acicular crystal,
odorless. Its density is 1.788, melting point is 120℃, may lose crystallize
water by efflorescence, soluble in water, thin acid, insoluble alcohol
thin soluble in silicofluoride. Its water solution appears acidity
it can produce fluoride and silicon dioxide with alkali, poisonous.
Usage: it can improve the hardness and strength of concrete. It is
excellent harden and waterproof matter, and insecticide.
Specification:
MgSiF6·6H2O |
≥98% |
MgSO4·7H2O |
≤0.5% |
H2SiF6 |
≤0.2% |
H2O |
≤0.6% |
Water undissolvable substance |
≤0.25% |
SiO2 |
≤0.05% |
MgF2 |
≤0.15% |
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© 2001-2002
China Heqi Indurstry & Trade Co., Ltd. Chengjiang Fluorosilicate Filiale ALL RIGHTS RESERVED
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