The hardness of this FFKM O-ring is 80 Shore A. These FFKM O-ring can handle temperatures from -15 °C to +340 °C. This O-ring can, therefore, withstand very high temperatures. Furthermore, this O-ring from FFKM has very excellent thermal stability. This O-ring is not suitable for steam/amine. This FFKM O-ring can handle chemicals well.
This FFKM O-ring is comparable to the: