M. W.: 274.48
Properties: Colorless or white crystals, not easy deliquescence, but effloresce to lose crystal water, easily soluble in water, dilute acid, hardly soluble in HF, insoluble in alcohol. Its aqueous solution appears acidity.
MgSiF6 98.0 min.
Water-insoluble matter 0.25max.
H2SiF6 0.2 max.
MgSO4 0.5 max.
H2O 0.6 max.
Application: Hardening agent for concrete and waterproof agent, handle fluoride efflorescence of silica building, ceramic industry, prevent and kill off insect pests from textile and insecticide etc.
Storage: Store in dry place and prevent rupture.
Packing: 50Kg net, pack sealed with plastic bags lined plastic woven sack.
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