... Excellent chemical and physical property, oil resistance, high temperature stability, etc. Made with all kinds of rubber. 1) Material: silicone, ... FKM), neoprene,HNBR, NBR+PVC, NBR, natural rubber, SBR,IR, IIR (BUTYL RUBBER), CIIR, CR (neoprene),EPDM are available2) ... 3) Excellent chemical and physical property, excellent oil resistance, high temperature stability, etc. Small Magic rubber seals