FFKM O-Rings

FFKM (Perfluoroelastomer)

FFKM (Perfluoroelastomer) offers the highest operating temperature and the most comprehensive chemical resistance of any elastomer.

Features & Benefits

Highest temperature resistance

Almost universal chemical resistance

Low temperature performance is limited

Mechanical properties are relatively poor

Consideration advised for thermal expansion

Typical temperature range -20˚C to +316˚C


FFKM is typically used as an o-ring or other component for long-term reliability in extreme environments, particularly in:

Chemical processing

Oil & Gas

Heavy Duty Machinery

Hydraulic Systems


A variety of compounds are available, please contact us for details of specific compound capabilities