Dual Wall Heat Shrink Tubing
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CB-DWT
Adhesive Lined Heat Shrink Tube for Electronic Applications
- Outer jacket: Modified polyolefin
- Inner wall: Modified hot-melt adhesive
- Shrink Ratios: 2:1, 3:1, 4:1
- Shrink temperature: 100°C to 120°C
- Operating temperature: -40°C to 125°C
Applications
- Our tubing finds extensive use in industries such as electronics, automotive, and more, for applications including waterproofing electronic connections, sealing wire junctions, corrosion protection of metal pipelines, and preventing loosening and detachment.
Features
- Flexible, halogen-free, and environmentally friendly
- Ideal water and moisture resistance
- Shrink temperature: 100°C to 120°C
- Operating temperature: -40°C to 125°C
- Compliant with UL224 standards (Certification No.: E180908)
| Properties | Test Method | Performance |
| Radial shrinkage | UL224 | ≥50％ |
| Longitudinal change | UL224 | 0~10% |
| Tensile strength | ASTMD2671 | ≥10.4MPa |
| Ultimate elongation | ASTMD2671 | ≥200％ |
| Aging in hot air oven (158℃±2℃/168h) | - | - |
| Tensile strength after aging | ASTMD2671 | ≥7.3MPa |
| Ultimate elongation after aging | ASTMD2671 | ≥100％ |
| Volume resistivity | ASTMD876 | ≥1.0×1014 Ω·cm |
| Dielectric strength (2500V/60s) | ASTMD2671 | No breakdown |
| Water absorption | ASTMD570 | ≤.1.0% |
Shrink Ratio: 2: 1
| Size | As Supplied (mm) | After Recovery (mm) | |||
| Minimum Inside Diameter | Wall Thickness | Maximum Inside Diameter | Wall Thickness | Adhesive Lining Thickness | |
| Ø1.2 | 1.2 | 0.30 | 0.6 | 0.45±0.12 | 0.20 |
| Ø1.6 | 1.6 | 0.30 | 0.8 | 0.45±0.12 | 0.20 |
| Ø2.4 | 2.4 | 0.35 | 1.2 | 0.55±0.12 | 0.30 |
| Ø3.2 | 3.2 | 0.40 | 1.6 | 0.60±0.15 | 0.30 |
| Ø4.8 | 4.8 | 0.40 | 2.4 | 0.75±0.15 | 0.35 |
| Ø6.4 | 6.4 | 0.40 | 3.2 | 0.75±0.15 | 0.35 |
| Ø9.5 | 9.5 | 0.40 | 4.8 | 0.80±0.20 | 0.35 |
| Ø12.7 | 12.7 | 0.40 | 6.4 | 0.80±0.20 | 0.35 |
| Ø19.1 | 19.1 | 0.50 | 9.5 | 0.95±0.28 | 0.40 |
| Ø25.4 | 25.4 | 0.50 | 12.7 | 1.15±0.28 | 0.45 |
| Ø38.1 | 38.1 | 0.65 | 79.0 | 1.25±0.41 | 0.45 |
| Ø50.8 | 50.8 | 0.73 | 25.4 | 1.40±0.41 | 0.50 |
Shrink Ratio: 3: 1
| Size | As Supplied (mm) | After Recovery (mm) | |||
| Minimum Inside Diameter | Wall Thickness | Maximum Inside Diameter | Wall Thickness | Adhesive Lining Thickness | |
| Ø3.2 | 3.2 | 0.40 | 1 | 0.85±0.25 | 0.35 |
| Ø4.7 | 4.7 | 0.40 | 1.5 | 1.05±0.25 | 0.45 |
| Ø6.4 | 6.4 | 0.45 | 2 | 1.10±0.25 | 0.45 |
| Ø9.5 | 9.5 | 0.60 | 3 | 1.45±0.25 | 0.45 |
| Ø12.7 | 12.7 | 0.60 | 4 | 1.50±0.35 | 0.45 |
| Ø19.1 | 19.1 | 0.75 | 6 | 2.00±0.45 | 0.65 |
| Ø25.4 | 25.4 | 0.75 | 8.4 | 2.00±0.55 | 0.65 |
| Ø30 | 30 | 0.80 | 10 | 2.20±0.55 | 0.75 |
| Ø40 | 40 | 0.85 | 13.7 | 2.50±0.55 | 1.00 |
Shrink Ratio: 4: 1
| Size | As Supplied (mm) | After Recovery (mm) | |||
| Minimum Inside Diameter | Wall Thickness | Maximum Inside Diameter | Wall Thickness | Adhesive Lining Thickness | |
| Ø4 | 4 | 0.40 | 1 | 1.00±0.28 | 0.50 |
| Ø8 | 8 | 0.40 | 2 | 1.10±0.28 | 0.50 |
| Ø12 | 12 | 0.50 | 3 | 1.40±0.28 | 0.61 |
| Ø16 | 16 | 0.60 | 4 | 1.78±0.28 | 0.76 |
| Ø24 | 24 | 0.75 | 6 | 2.25±0.55 | 0.76 |
| Ø32 | 32 | 0.80 | 8 | 2.54±0.55 | 1.02 |
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