leak seal tape 1. Cold resistant. 2. Chemical proof. 3. OEM/ODM welcomed. ... rubber seal, etc.Description of Good Elasticity NR Leak Seal Tape:1. Materials: NR, also can be NR, HNBR, Buna, FVMQ ... , MVQ, ACM, FLS, CR, SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO, CSM, VITON, FKM, FPM, etc. 2 ... our company sincerely. Best Regards! Good Elasticity NR Leak Seal Tape