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FFKM perfluoroether rubber seal material is composed of TFE (main chain), PMVE (branch chain) and bridging part, it not only has the excellent high temperature resistance and chemical corrosion resistance like PTFE, but also has the elasticity of rubber, the ordinary perfluoroether rubber seals working temperature range of -25 ℃ ~ +240 ℃, the compression deformation of FFKM perfluoroether rubber seals at 300 ℃ is only less than 50%, the compression deformation rate is also less than 50%. The compression deformation of FFKM perfluoroether rubber sealing material at 300℃ is only below 50%. FFKM perfluoroether rubber material is the best rubber material for high temperature resistance, strong acid and alkali resistance and organic solvent resistance among all elastic sealing materials. FFKM perfluoroether rubber material is the best rubber material among all elastic sealing materials. Perfluoroether rubber can resist strong acid, strong alkali, organic solvents, ultra-high temperature steam, ether, ketone, ester, nitrogen-containing compounds, hydrocarbons, alcohols, aldehydes, furans, amine-based compounds, etc. More than 1,600 kinds of chemical solvents, and the resistance to high temperatures can reach 320 ℃. FFKM perfluoroether parts have been in many industries with more than 40 years of practical application experience.
