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1、The Difference between FPM, FKM and Viton?The terms FPM, FKM and Viton? very often cause confusion and lead to incorrect interpretations. All of these designations actually stand for one single base material:fluoro rubber. FPM is the international abbreviation according to DIN/ISO, whereas FKM nis the short form for the fluoroelastomer category according to the American standard ASTM. Viton? is the registered trade mark of DuPont Performance Elastomers. Zrunek uses the designation FPM for all of its fluoro-elastomer materials.。

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