Sumitube Dual Wall Polyolefin
Available Sumitube™ Dual Wall Polyolefin: 
- O2B2 is a dual wall heat-shrinkable tubing with meltable adhesive for fixing and waterproofing of straight-shaped objects
- SAE/UL224/CSA recognized
- Flame-retarded (PBDE/PBB-free)
- Flexible
- Thinner adhesive (than SUMITUBE™ W3B2)
- Applications:
- Corrosion protection of pipes
- Waterproof sealing for electronic devices
- Insulation for wire joints
- W3B2 is a dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects
- SAE/UL/CSA recognized
- Watertight sealing with good adhesion to metals, polyolefin and PVC
- Effective for waterproofing of irregular-shaped objects
- Flame-retarded (PBDE/PBB-free)
- Flexible
- Thicker adhesive (than SUMITUBE™ O2B2)
- Applications:
- Waterproof sealing for electronic devices with irregular shapes or profiles
- Encapsulation for wire branches
- Insulation and protection for wire joints
- W3B2 (4X) is a dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for waterproofing of irregular-shaped objects
- SAE/UL recognized
- Watertight sealing with good adhesion to metals, polyolefin and PVC
- Effective for waterproofing of irregular-shaped objects
- Flame-retarded (PBDE/PBB-free)
- Flexible
- Thicker adhesive (than SUMITUBE™ O2B2)
- Applications:
- Waterproof sealing for electronic devices with irregular shapes or profiles
- Encapsulation for wire branches
- Insulation and protection for wire joints
