... O-rings, o ring cord, rubber rope,backups, quad rings, square rings, o-cord, square cord,,etc. for NBR, VITON, SILICON,,,,ETC Viton O-RING CORD, viton RUBBER ... FKM) shore 75 , and the colors as your requiredTensile strength at break:>12MpaElongation at break ... sealing items.backups , dowty seals, u seals,o rings, wipers, oil seals, piston seals, v ... , silicone seals, NBR seals,o-ring cord, rubber sheet