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industrial rough fluorite(Caf2) stone price

There are three principal types of industrial use for natural fluorite, commonly referee as "fluorspar" in these industries, corresponding to different grades of purity.

Metallurgical grade fluorite(60-85% CaF2), the lowest of the three grades, has traditionally been used as a flux to lower the melting point of raw materials in steel production to aid the removal of impurities, and later in the production of aluminum.

Ceramic grade fluorite(85-95% CaF2) Ceramic grade fluorite (85–95% CaF2) is used in the manufacture of opalescent glass, enamels and cooking utensils.

The highest grade, "Acid grade fluorite"(97% or higher purity), accounts for about 95% of fluorite consumption in the US where it is used to make hydrogen fluoride and hydrofluoric acid by reacting the fluorite with sulfuric acid.

As a flux in steelmaking to reduce slag viscosity, refineries add a "flux" to iron ore and coke mixtures to lower the melting temperature. This lowers the operating temperature of the furnace, thereby reducing energy consumption and production costs. The flux also aids in the formation of the "slag" on the surface of the molten steel that contains most of the impurities.

The hydrofluoric acid is then used to manufacture a variety of products which include: fluorocarbon chemicals, foam blowing agents, refrigerants and a variety of fluoride chemicals.

The hydrofluoric acid is then used to manufacture a variety of products which include: fluorocarbon chemicals, foam blowing agents, refrigerants and a variety of fluoride chemicals.



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