Certi: ISO/ TS16949 Name:auto rubber shock bumper Material : EPDM, NR, IIR, CR,ect ... of U.S.A and JIS of Japan Name: auto rubber shock bumper,rubber to metal damper,car shock absorption Material : CR, ... Great flexibility, ect Market: China,The USA , Japan, Europe and so on Hardness: 50A- 80A Temperature: -60oC- +180oC Package ... design aaccording to detailed drawings or samples auto rubber shock bumper