great seal property oil resistance high temperature resistance wear resistance V-ringmaterial:Teflon,PTFE,PVDF,PA,POM,PEEK,PPSmanufacture method:prcesion process and injection molding.color:black,green,brown.size:customized by sample and drawing.working temperature:85-200 Centigrade.Industrial Application1.Engine accessories2.Valve and pump3.Piston part4.Motor part5.Oil device part6.Automotive ...