High quality Polini Evolution PTFE / FKM shaft seal with dimensions 19x30x7mmfor Piaggio scooter engines.
Explanation: The difference between FPM, FKM, Viton®
Behind the abbreviations or names mentioned is the identical basic material - fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers. In our range, all fluoro rubber articles are designated with the abbreviation FKM.