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 ... . Tooling: 1. We have our mold factory, includes CNC machines, EDM machines, and wire cutting machine.2. The molds can be compression ... our company sincerely. Best Regards! Good Elasticity NR Leak Seal Tape