Sealing ring 66HEROES 21x28x3,5mm Puch Maxi fuel filler cap, black

O-ring 21x28x3.5mm for the CNC-milled, plug-in tank caps from 66Heroes, suitable for Puch Maxi S & N mopeds / mopeds.

Inner diameter: 21 mm
Outer diameter: 28 mm
Thickness: 3.5 mm
Color: black
Material: FPM / FKM

Difference FPM, FKM, Viton®:
The abbreviations and names mentioned stand for the identical basic material, namely fluororubber. FKM is the abbreviation for fluoroelastomers according to the American standard ASTM. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers. In our range, all fluororubber products are designated with the abbreviation FKM.