... .Rubber seal,acid-resistance 4.OEM/ODM serve ACM rubber product with black colour 1,Material: EPDM, NBR, CR, 2,Hardness :60 ... ,the hardness:60--70A3,color:black4,temperature:-60---180°C5,packing:carton6,high quality ,quick delivery7,fit for the automotive and ... ground care machinery parts and some vehicles8,in line with international environmental protection , SGS /UL approval