SPECIFICATION :- Molecular Formula K2SiF6 Molecular Weight 220.29 Appearance White Powder Purity 98% Moisture 0.5% Fluorine Content 40-42% Chloride 0.03% Max Phosphate 0.3% Max Free acid 0.6% Sieve Grading -100 BSS 100% CHARACTER Which powder, toxic, slightly acidic, relative density 3.08 gmcc. USAGE Used in optic glass, in opaque glass, in ceramic and in synthetic mica. PACKING 50 kg in plastic woven bag STORAGE In ventilated and dry place.