... ,acid-resistance 4.OEM/ODM ser rechargeable battery rubber acid injection 1.Appling for lead acid storage battery,UPS ... battery,E-bike battery 2. HNBR, NBR, Silicone, EPDM, VITON, CR, etc are available.3. The color could be chose.4 ... meet PAHS,NP requirement.NBR,EPDM,FKM,ACM,IIR,Silicon rubber etc. are available.Material usage is based on the final ...