... EPDM material 2.All sizes 3.Rubber seal,acid-resistance 4.OEM/ODM serve ACM rubber product with black colour 1,Material: EPDM ... by SGS/ISO 9001 5,Good abrasion performancelow friction rubber mat /high pressure rubber pump parts: 1,material :EPDM,NBR,CR NR, SBR ... and ground care machinery parts and some vehicles8,in line with international environmental protection , SGS /UL approval