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EPDM and FKM are two different rubber materials with different characteristics and applications.

EPDM (ethylene propylene diene monomer) is a polymer compound formed by copolymerization of ethylene, propylene, and diene monomers. It has excellent high-temperature resistance, chemical corrosion resistance, compression resistance, and ozone resistance, and its cost is relatively low. Therefore, EPDM is commonly used in the manufacturing of seals, shock absorbers, waterproof materials, etc.

FKM (fluororubber) is a type of rubber containing fluorine atoms, which has excellent resistance to high temperature, chemical corrosion, and compression. It also has good insulation and high transparency characteristics, so it is commonly used in the manufacturing of high-performance products such as seals, ring tapes, and rubber hoses.

When choosing EPDM and FKM, it is necessary to make choices based on actual application scenarios and usage environments. If you need more specific suggestions, we suggest that you consult professionals or consult relevant literature.