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Fluorinated rubber products are mainly divided into vinylidene fluoride fluorinated rubber, tetrafluoroethylene Allyl fluorinated rubber (FEPM), perfluoroether rubber (FFKM) Etc. In which fluorinated rubber contains hydrocarbon groups in the polymer, in harsh conditions such as attack in a chemical medium can cause deterioration of the rubber melt. Perfluorinated rubber is mainly composed of tetrafluoroethylene and perfluorinated alkyl vinyl. The ether is the main monomer, and the third monomer with a small number of vulcanization points is copolymerized, such as As the name suggests, all the hydrogen atoms on all the carbon atoms in the polymer are fluorogen subsubstitution.