FFKM

# FFKM **FFKM (Perfluoroelastomer)** FFKM is the highest-grade fully fluorinated elastomer, often regarded as the rubber version of PTFE. It provides the broadest chemical resistance among all elastomers, resisting strong acids, strong bases, ketones, esters, amines, hot steam and almost all aggressive solvents. Premium grades can sustain continuous service up to 280–320°C. With excellent purity and stable sealing force under extreme conditions, FFKM is used for critical sealing in semiconductor, high-temperature chemical reactors, aerospace and harsh oil & gas service where FKM cannot survive.