... Rubber o ring 1.Material:natural rubber 2. Type:O ring,X ring,V ring,U ring,etc 3. Prolong machine life, reduce ... abrasion resistance Highest volume general purpose synthetic rubber Low Cost! NameValueMain materialNatural rubberCertificationISO 9001, ... contains o rings, rubber seals, rubber gaskets, rubber grommets,rubber washers, rubber bumpers, seal components, rubber suction cup, damping pads ...