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Sodium Cryolite

Sodium Cryolitesodium cryolite , sodium aluminum fluoride, sodium fluoaluminate, sodium fluoroaluminate, sodium hexafluoroaluminate, trisodium hexafluoroaluminate, sodium aluminofluoride, aluminum sodium fluoride, kryolith, kryocide, cryolite, ice spar.

(Na3AlF6). Synthetic cryolite is a white crystalline powder manufactured from hydrofluoric acid, sodium carbonate, and aluminium. Synthetic cryolite is used chiefly as a flux in the electrolytic production of aluminum as it effectively lowers down the melting point of alumina. It is used in the glass and enamel industries, in bonded abrasives as a filler, in making salts of sodium and aluminum and porcelaneous glass and in the manufacture of insecticides. Cryolite is a relatively safe fruit and vegetable insecticide. The fluoride ion inhibits many enzymes that contain iron, calcium, and magnesium.

sodium cryolite is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.05g/cm3, melting point about 1025°C, specific heat 1.056j/g°C at 18—100°C. It’s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.

Specifications

  • sodium cryolite
  • Molecular weight: 210.00
  • Cas No : 13775-53-6
  • Description: White powder
  • Assay: 98.5%
  • Fluorine value as F: 54.28%
  • Aluminum content as Al: 12.68%
  • Free HF: 0.002%
  • Silica as SiO2: 0.6%
  • Chloride as Cl: 0.003%
  • Sulphate as SO4: 0.004%
  • Iron as fe203 :0.05%
  • Lead as Pb: 0.02%
  • packing : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.

Other Information

  • Pay Mode Terms: L/C (Letter of Credit), D/P (Documents Against Payment), T/T (Bank Transfer), Other
  • Port of Dispatch: Mumbai
  • Delivery Time: 15 Days
  • Packaging Details: In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.

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