ASTM D1418, ISO 1629 Designation: FKM

ASTM D2000, SAE J200 Type/Class: HK

General Temperature Range: -40°F to +400° F




  • Excellent chemical and oil resistance
  • Excellent high temperature
  • Fair dry running
  • Resistance to wide range of oils and solvents; specially all aliphatic, aromatic and halogenated hydrocarbons, acids, animal and vegetable oils.




  • High relative cost
  • Difficult to process
  • Poor cold followability
  • Not recommended for ketones, low molecular weight esters and nitro containing compounds.




  • Automotive fuel handling
  • Aircraft engine seals
  • High temperature applications requiring good compression set performance
  • General industrial seals and gaskets



February 23rd
Here is a great article on grease compatibility . . .
The Skinny on Grease Compatibility

July 30th
 Here is a link to a great article about how to avoid particulate contamination . . . Obviously it goes without saying that a sealing...
How to Avoid Particulate Contamination