... 2.print logo ok 3.Chemical resistance 4.Size as customers' request Silicone ring can be, EPDM, natural rubber and other ... security utilityWe making lock ring which can be used in automotive industry.Rubber Parts,Auto Parts,Plastic parts,siliconemasking,rubber molded products ... on)and material are optional. 10.Silicone,Viton,Neoprene,Hypalon, plastic products PC,nylon,ABS,HNBR,EPDM,ACM,ACM,CR,NBR ...