... creep and stress relaxation resistance Better abrasion resistance Highest volume general purpose synthetic rubber Low Cost! NameValueMain materialNatural rubberCertificationISO 9001, 14001, RoshDensity1.1 ... . Our main products contains o rings, rubber seals, rubber gaskets, rubber grommets,rubber washers, rubber bumpers, seal components, rubber suction cup, damping pads, insulating pieces, dust ...