piston rod seal 1. Ozone proof. 2. Flame resistant seal. 3. OEM/ ... seal, medical rubber seal, etc.Description of Chemical Resistant Piston Rod Seal:1. Materials: CR, also can be NR, HNBR, Buna ... , ACM, FLS, CR, SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO, CSM, VITON, FKM, FPM, etc. 2. Characteristics ... to visiting our company sincerely. Best Regards! Chemical Resistant Piston Rod Seal