Formula: K2SiF6
Q/SRGF: 004－2011
CAS NO.: 16871-90-2
Specification:
| Grade | Chemical Composition % | |||
| K2SiF6 | HF | Water insolubles | H2O | |
| min | max | |||
| 一级 | 98 | 0.1 | 0.5 | 0.5 |
| 二级 | 98 | 0.1 | 1.0 | 0.3 |
Properties: The product is white crystalline or powder . poisonous and with microaidic; the hexagonal crystal system sp.gr: 3.08 and system sp.gr 2.665(at 17°C); deliquesce in moist air and slightly soluble in water, also soluble in hydrochloric acid; the solubility has somewhat raise with an increase in temperture .It's decomposed into KF and SiF4 at glow, and decomposed into KF, HF and H2Sio3 in hot water.
Uses: It's used as a wood preservative and in ahe manufacture of ceramics, various optics glasses, smelting of aluminium and magnesium, also used as a raw materiar for synthetic mica and a preservative material.
Packing: In polyethylene bag and with woven plastic sack outer, 25kgs net each.