... 2.All sizes 3.Rubber seal,acid-resistance 4.OEM/ODM serve motorcycle battery rubber acid injection 1.Appling ... acid storage battery,UPS battery,Motorcycle battery,E-bike battery 2. HNBR, NBR, Silicone, EPDM, VITON, CR, etc are available.3 ... Ozone resistance, aging resistance, high/low temperature resistance, acid/alkali resistance, weather resistance, abrasion resistance, voltage resistance and ...