Synthetic rubber O-rings used for dynamic and static sealing purposes. Our O-rings can be produced in NBR, Bromobutyl Rubber, Silicone, EPDM, FKM (Viton), FFKM (Kalrez), HNBR, XNBR, SBR synthetic rubbers. On customer request, we can also coat our O-rings with a PTFE coating for self lubrication.