Black Fluorocarbon/ Fluoroelastomer O ring, also known as a Viton o-ring or FKM, FPM orings. FKM (Viton ®) O’Rings have a low compression set and have high temperature and chemical resistance.
The terms FPM, FKM and Viton® 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 Viton Shore 90. If you are looking for Green or Brown color Viton O’Rings contact us with Email: click here