--Specific weight is 2.68; slightly soluble in water, insouble in alcohol, corrosive and toxic;
--It would decompose into sodium fluoride and silicon tetrafluoride if ignited to over 450°C.
Appearance:white crystal or crystalline powder
Crystal or white powder
Sodium Silicofluoride % ≥
Iron (Fe) % ≤
Loss of Weight on Drying at 105°C % ≤
Insoluble in Water % ≤
Free Acid (as HCL) % ≤
Heavy Metal (as Pb) % ≤
Fineness Passed 250mesh Sieve % ≤
--In pharmacy and fluoridation of drinking water .
--Opalizer and fluxing agent in glass and Vitreous enamel frits.
--Filling agent in plastic.
--Coagulating agent in natural rubber and latex products
--Additive in metallurgy of aluminium and in clad layer of galvanized zinc,nickel,iron.
--Instead arsenious Insecticides and rodenticides as pest control in agricultural.
--Leather and wood preservatives.
--Main raw material for producing acidproof cement and diabase plate.
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