... 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, ... according customer request. ItemRubber parts for battery acidDescriptionWidely used inAppling for lead acid storage battery,UPS battery,Motorcycle battery,E-bike battery acid filling machineHardness: Shore A40,50,60 ...