Formula: K2SiF6 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.
K2SiF6 (based on dry) 98.0 min.
Free acid (HF) 0.15max.
Water-insoluble matter 0.5 max.
Fe 0.05 max.
Heavy metal (Pb) 0.50 max.
H2O 0.5 max.
Size (throug 60mesh) 90 min
Application: Wood preservation; ceramics made; metallurgy of aluminium
and magnesium; optical glass; synthetic mica and antisepsis.
Storage: Store with seal, prevent bag burst.
Package: 25 Kg net, packing with double plastic bags lined plastic woven