... EPDM material 2.All sizes 3.Rubber seal,acid-resistance 4.OEM/ODM serve motorcycle battery rubber acid injection 1. ... Appling for lead acid storage battery,UPS battery,Motorcycle battery,E-bike battery 2. HNBR, NBR, Silicone, EPDM ... acidDescriptionWidely used inAppling for lead acid storage battery,UPS battery,Motorcycle battery,E-bike battery acid filling machineHardness: Shore A40 ...