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potassium hexafluorosilicate

Product name potassium hexafluorosilicate
GOST no data
CAS 16871-90-2

Potassium hexafluorosilicate - colorless crystals, decompose higher 700°C, solubility in water is 0.12% (mass) at 20°C.


  • Interaction of H2SiF6 with KOH;
  • Bubbling of SiF4 containing in waste gases of superphosphate manufacturing through KF solutions with following crystallization


  • reagent for fluorination of zirconium concentrates and Si electrodeposition from fluoride melts;
  • component for synthetic mica, enamel and acid-proof putties.
  • wood preservative and concrete component.

  • Manufacturer(s) JSC Ammofos Cherepovets
    OJSC Halogen

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