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Cryolite – hu nan heng hua gong you gong si |
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522.71 EUR
China, Hengshan
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[Molecular formula]Na3AlF6 (formally known as sodium fluoroaluminate or aluminium sodium fluoride, or Sodium Cryolite, abbreviated as Cryolite)

[Molecular weight] 209.94


Cryolite is a kind of complex compound or complex salt. Belonging to white monoclinic system (109℃). It is white, grayish white, yellow powder or crystalline particles, usually in indivisible compacted masses displaying glassy luster to greasy luster. Its melting point is 1025℃, stacking density 0.6-1.0g/L, true density 2.95-3.05g/cm3, heat of formation 225KJ, specific gravity 2.75-3.00g/cm3, fusion heat 107KJ. It's slightly soluble in water with its solution acidic, when mixed with sulfuric acid, it will emit toxic hydrogen fluoride gas.


The product is mainly used as the fusing agent for aluminum electrolysis; and can also be used as the anti-wear additive for grinding products, which can effectively improve the abrasion resistance, cutting and sheering forces of grinding wheels, extend the service life and storage time; as the fusing agent for Ferro-alloys and rimming steel, fusing agent for non-ferrous metals, deoxidizing agent for casting, catalytic agent for olefinic polymerization, and also as the anti-reflective coating for glass, emulsifier for enamel,opacifierfor glass, fusing agent for welding materials, filling agent for ceramics, pesticide for agricultural chemicals etc.

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