Black Fluorocarbon/ Fluoroelastomer O ring, also known as a FKM o-ring or FKM, FPM orings. FKM (FKM ®) O’Rings have a low compression set and have high temperature and chemical resistance.
The terms FPM, FKM and FKM® very often cause confusion and lead to incorrect interpretations. All of these designations actually stand for one single base material: fluoro rubber.
Temperature Range -20°C to +200°C with Durometer/Hardness 75. For high pressure you should use FKM Shore 90. If you are looking for Green or Brown color FKM O’Rings contact us with Email: click here