... resistance, high temperature stability, etc. Made with all kinds of rubber. 1) Material: silicone, fluoro silicone, viton (FKM), neoprene,HNBR, NBR+PVC ... , NBR, natural rubber, SBR,IR, IIR (BUTYL RUBBER), CIIR, CR (neoprene),EPDM are ... property, excellent oil resistance, high temperature stability, etc. Small Magic rubber seals