Cert: ISO/ TS16949 Name:Auto rubber absorber, impact absorb rubber Material : EPDM, NR,NBR, SBR, IIR, ect Certificatation : ISO/ TS16949 Germany: 2002 ,ISO9002:1994, ISO9001:2000HG/T 2196-91 of Chemistry of China ,D-2000 of U.S.A and JIS of Japan Name: Auto rubber absorber, rubber bufferMaterial : EPDM, NR, IIR, NBR and some other synthetic rubber, ect Characteristic: Ozone resistant, High/ Low ...