Description

Sodium fluorosilicate 【Molecular formula】:Na2SiF6 【Molecular weight】: *1.*9 【Properties】: The product is a white crystalline powder, insoluble in alcohol, but soluble in ether. 【Uses】: As opacifying agent for vitreous enamels and opalescent glass. As coagulant for latex. In zirconia pigments. In the manufacture of frits and ceramic enamels.As a preservative agent of wood. As a flux in melting of light metals. As an acidifying agent in the textile industry. In the pharmaceutical industry 　 【Packing】: *5kg/woven bags with inner plastic lining, or as the request of our customer　 【Quality Index】: Index name Unit Index measured value Rounding value Single Na2SiF6(based on dried basis) % ≥*9.0 *9.*9 *9.1 Qualify **5℃Loss on drying % ≤0.*0 0.**2 0.*6 Qualify Dissociation acidï&frac*4;ˆas HCLï&frac*4;‰ % ≤0.*0 0.**5 0.*2 Qualify Chlorideï&frac*4;ˆC1ï&frac*4;‰content % ≤0.*5 0.**0 0.*5 Qualify so4 % ≤0.*5 0.**0 0.*6 Qualify Fe % ≤0.*2 0.***1 0.*1 Qualify Fineness by the *5 -Î&frac*4;m Sieve % * *7.7 * * Fineness by the **0 -Î&frac*4;m Sieve % ≥*0 *9.6 **0 Qualify Insoluble substance % * 0.**5 * * Heavy Metalï&frac*4;ˆpbï&frac*4;‰Content % * 0.***0 * * Net weight Kg/bag ≥*5.0 *5.*7 *5.2 Qualify Appearance * White crystals White crystals * Qualify