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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
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.
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
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.
| Specification(%): | |
| Assay(K2 SiF6 ) | 98.0min |
| MgSO4 | 0.5max |
| H2SiF6 | 0.2max |
| MgF2 | 0.15max |
| H2O | 0.6max |
| Water-insoluble matter | 0.5max |
| Heavy metal (Pb) | 0.1max |
| Mesh size | |
| -60 mesh | 98min |