Synthetic Cryolit is a Inorganic Salts product. Key specs — Brand: Jinze; Origin: China.
Product Description
Synthetic Cryolite
Formula: Na3AlF6
Molecular: 209.5
CAS: 15096-52-3
Execute standard: GB/T4291-2007
HS: 2826.3000
Properties: still named sodium fluoaluminate. It is a white crystalline powder or a sandy size granularity as well. Melting point about 1000ºC. It is insoluble in anhydrous hydrogen fluoride, but slightly in water.  
Uses: It is mainly used as a flux in the aluminium smelting by fused salt electrolysis;also an opalizer in the manufacture of enamel;an opacifier and auxiliary solvent of glass and enamel;an insecticide of crops;a flux in aluminium alloy casting;and in the production of ferrous alloy and effervescing steel.