Certificatation : ISO/ TS16949 Name:auto rubber gasket Material : EPDM,CR,MVQ,NR,FPM,ect market:China, ... Certificatation : ISO/ TS16949 Germany: 2002 ,ISO9002:1994, ISO9001:2000Name: auto rubber gasketMaterial : EPDM, NR, IIR, CR and some other synthetic ... rubber, Ect Characteristic: Ozone resistant, High/ Low temperature resistant, Aging resistant, ...