Cert: ISO/ TS16949 Name:Auto rubber absorber, impact absorb rubber Material : EPDM, NR,NBR, SBR, IIR, ect Certificatation : ISO/ TS16949 ... 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 temperature resistant, Aging resistant, ...