Calcium fluoride / CaF2 is the main ingredient of fluorspar or fluorite, the chemical formula is CaF2, it is colorless cubic crystal or white powder. Fluorspar is an industrial mineral that is composed of calcium fluoride (CaF2). There are three main types of commercial fluorspar lump/concentrate: 1.acid grade 2. Metallurgical grade

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Steel production – used as a flux to lower the melting temperature and increase the chemical reactivity to help the absorption and removal of sulphur, phosphorus, carbon and other impurities in the slag. It is wildly used in steel-making, ferroalloy production, and non-ferrous smelting.

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