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[Chemical Knowledge]：What are the upstream raw materials of fluorine chemical industry? What do the downstream products contain?

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Fluorine chemical industry is a wide and complex field, and its upstream and downstream related products are numerous. The following are some of the main fluorine chemical upstream and downstream related products:

upstream products:

1. Fluorite: Fluorite is the main raw material of fluorine chemical industry, and its main component is calcium fluoride (CaF2). Fluorite is converted to hydrofluoric acid through a chemical reaction, which in turn is used to produce various fluorochemicals.

downstream products:

1. hydrofluoric acid (HF): hydrofluoric acid is the basic raw material of fluorine chemical industry, mainly made of fluorite. Hydrofluoric acid can be used in the production of freon, fluorine-containing polymers, fluorine-containing intermediates, etc.
2. Freon (Freon): Freon is a class of chlorofluorocarbon compounds, mainly used as refrigerants and foaming agents. Common Freon including R12, R22 and so on.
3. Fluoropolymer: Fluoropolymer has excellent chemical corrosion resistance, high temperature resistance, low temperature resistance and other properties, widely used in aerospace, automotive, electrical and electronic fields. Common fluoropolymers include polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), etc.
4. fluorine-containing intermediates: fluorine-containing intermediates are the key raw materials for the production of fluorine-containing fine chemicals, which can be used in the synthesis of pharmaceuticals, pesticides, liquid crystal materials and other fields. Common fluorine-containing intermediates include fluorobenzene, fluorobenzoic acid, etc.

Generally speaking, the upstream and downstream related products of fluorine chemical industry are very extensive, involving many fields, such as refrigeration, foaming, aerospace, automobile, electronic and electrical, medicine, pesticide and so on.

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