FFKM Rubber withstands attack by more than 1800 chemical substances
Broad temperature capability
FFKM retains high levels of resilience up to temperatures as high as 250 °C (482 °F) and down to –21 °C (–5.8 °F). Under pressurized sealing conditions,it has demonstrated low temperature performance down to –40 °C (–40 °F) in customer laboratory tests.
We also have AFLAS PM-3000 Chemical Resistant FFKM O RING
It with better price than Kalrez
AFLAS® FFKM Series is a new perfluoroelastomer product line classified as an FFKM. AFLAS PM-3000 is a semi-commercialized elastomer having the chemical structure derived from tetrafluoroethylene and perfluoroalkylvinylether. This chemical structure offers outstanding resistance to chemicals, oils, solvents, and more. PM-3000 is a peroxide-curable perfluoroelatomer.
Outstanding chemical resistance
Superior oil resistance
Outstanding solvent resistance
Excellent heat resistance
Excellent compression set
Exceptional mechanical strength
End User Benefits
Highly suitable for extremely harsh and aggressive chemical environments
Hot service temperature at 250°C, with peak exposure of 270°C
Can be compounded to be highly resistant to rapid gas decompression (e.g. NORSOK)