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 :(%)
| Items | High-grade |
| Assay(K2SiF6) | 98% min |
| Ca | 0.01% max |
| Cl | 0.1% max |
| H2O | 0.5% max |
| Si | 0.3% max |
| Fe | 0.1% max |
| SO4 | 0.01% max |
| Heavy metal (Pb) | 0.01% max |
| PARTICALE SIZE DISTRIBUTION | |
| +60MESH | 10%MAX |
| +200MESH | 60%MIN |
| +325MESH | 30%MAX |
| -325MESH | 10%MAX |
Application: Wood preservation; ceramics made; metallurgy of aluminum and magnesium; optical glass; synthetic mica and antisepsis
Storage: Store at a ventilating, and dry place, keep away from food.
Packing: in net 25kg bags.
