Industrial product: Polymer cryolite

Cryolite (sodium hexafluoroaluminate) is a small white crystal with no odor, a specific gravity of 3, a hardness of 2-3, a melting point of 1009 ℃, and is prone to water absorption and moisture. Cryolite is mainly used as a flux for aluminum electrolysis, wear-resistant filler for rubber and grinding wheels, enamel whitening agent, glass shading agent and metal flux, insecticide for crops, etc.