Fluoroelastomers (FKM/FPM)

The term fluoroelastomers (FKM according to DIN ISO 1629 [previously: FPM] and FKM according to ASTM D 1418) stands for an entire group of fluorinated rubbers that, as a common characteristic, have vinylidene (di)fluoride (VDF) as one of their monomers. Fluorinated rubbers were developed by DuPont (VITON) in the 1950s, but are also supplied today by

• Lanxess (Levatherm F)
• Solvay-Solexis (Tecnoflon)
• Dyneon (Dyneon™ Fluoroelastomers) und
• Daikin Chemical (Dai-El)