... o-cord, square cord,,etc. for NBR, VITON, SILICON,,,,ETC Viton O-RING CORD, viton RUBBER ROPE,viton rubbe ... ResistanceConcentrated acids : excellent ,Acetone : bad ,Hydroxides : excellent ,Benzene : excellentCrude oil : excellent, Toluene : excellent , Fuel C : excellent ,Gasoline : very good ... .backups , dowty seals, u seals,o rings, wipers, oil seals, piston seals, v packings, rod seals, wear rings ...