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.
Specification:(%) 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
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