... EPDM material 2.All sizes 3.Rubber seal,acid-resistance 4.OEM/ODM serve machine acid filling bushes 1.Appling for lead ... storage battery,UPS battery,Motorcycle battery,E-bike battery acid filling machineHardness: Shore A40,50,60,70,80,90Color: black colorAdvantageGood ... .Partial meet PAHS,NP requirement.NBR,EPDM,FKM,ACM,IIR,Silicon rubber etc. are available.Material usage is based on the final ...