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Potassium Fluorosilicate Potassium Silicofluoride
Posted at: TradersCity --> Offers to Sell and Export
Posted on: Tue 30 Jun, 2009 8:05 am
Potassium Fluorosilicate
Formula: K2SiF6
CAS No.: 16871-90-2
M. w.: 220.25
Properties: White odorless crystals or powder; Weak acidity; Insoluble in water, aqueous ammonia and ethanol; Soluble in hydrochloric acid; Decompose by heat to form potassium fluoride(KF) and silicon tetrafluoride(SiF4); Hydrolyze in hot water to form hydrogen fluoride(HF) and silicate acid(H2SiO3); Have toxic
Specification(%): Index
Assay(K2 SiF6 ) 98.0min
MgSO4 0.5max
H2 SiF6 0.2max
MgF2 0.15max
H2O 0.6max
Water-insoluble matter 0.5max
Heavy metal (Pb) 0.1max
Mesh size
-60 mesh 98min
Application: Wood preservation; Ceramics made; Metallurgy of aluminium and magnesium; Optical glass; Synthetic mica and antisepsis
Storage: Store at a ventilating, and dry place, keep away from food
Packing: 25 Kg net, double plastic bags lined plastic woven bag.
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address
tel +86-633-2287359
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