... Cert: ISO/ TS16949 Name: auto rubber oil seal,rubber seal gasket Material : EPDM,CR,MVQ,NR, ... / TS16949 Germany: 2002 ,ISO9002:1994, ISO9001:2000Name: Auto oil sealMaterial : EPDM, NR, IIR, CR and some other ... synthetic rubber, Ect Characteristic: Ozone resistant, High/ Low temperature resistant, Aging resistant, Wearable, Great flexibility ... aaccording to clients request. auto rubber oil seal