Certi: ISO/ TS16949 Name:auto rubber shock bumper Material : EPDM, NR, IIR, CR,ect SHA:50A-80A Market: China, USA, ... bumper,rubber to metal damper,car shock absorption Material : CR, EPDM, NBR,SBR, FPM, ACM ,NR,ect Characteristic: Ozone resistant, High ...