... Silicon, NBR, SBR, NR, CR, EPDM, and FKM Rubber O-ring Features:1. Applicable material: NBR, CR, NR, SBR, EPDM, FKM ... rubber products: Piping valve, Gasket, Rubber Plant, Oil Seal, O-ring, Special Forming parts5. Certificate: ISO/TS169496. Lead time: Stock: 3~5 ...