4:1 Adhesive Lined Semi-Rigid Heat Shrink Tubing
Model: CB- DWT (3000)
Material
Exterior layer: cross-linked modified semi-rigid polyolefin resin
Inner layer: hot-melt adhesive
Shrink ratio: 4:1
Applications
The 4:1 adhesive lined, semi-rigid heat shrink tubing has an excellent diesel resistance, which makes it ideal for automotive applications, such as an insulating seal for automotive wire harnesses, stress relief at wire junctions or ends, and protect wires against friction.
| P/N | As supplied (mm) | After recovery | ||
| Min. inside diameter | Max. inside diameter | Total wall | Min. adhesive wall | |
| CB-DWT(3000)-1 | 5.72 | 1.27 | 1.2 | 0.56 |
| CB-DWT(3000)-2 | 7.44 | 1.65 | 1.52 | 0.76 |
| CB-DWT(3000)-3 | 10.85 | 2.41 | 1.91 | 1.02 |
| CB-DWT(3000)-4 | 17.78 | 4.45 | 2.41 | 1.37 |
| Item | Test method | Standard | Specifications |
| Longitudinal shrinkage | ASTM D2671 | 0-10% | 5% |
| Tensile strength | ASTM D2671 | ≥10.3MPa | 18.87MPa |
| Elongation at break | ASTM D4.3.1.2 | ≥250% | 330% |
| Scan modulus | ASTM D2671 | ≥137MPa | 370MPa |
| Heat shock | 250±3℃，4h | No dripping, flowing or cracking | Pass |
| Dynamic cut through (KG) | ASTM D3032 | 13.6kg | Pass |
| Volume resistivity | ASTM D2671 | ≥1.0×1012Ω.cm | 9.0×1014Ω.cm |
| Flammability | ASTM D2863 | ≥28 | 29 |
| RT-1112 | 30s self-extinguish | Pass | |
| Dielectric voltage | 2500V，60s | No breakdown | Pass |
| Tensile strength after aging | ASTM D2671 | ≥6.9MPa | 11.0MPa |
| Oil resistance | 97#petrol 23±3℃，24h 100℃±3℃，1h IRM902#oil IRM903#oil hydraulic fluids | No cracking | Pass |
| P/N | As supplied (mm) | After recovery | ||
| Min. inside diameter | Max. inside diameter | Total wall | Min. adhesive wall | |
| CB-DWT(3000)-1 | 5.72 | 1.27 | 1.20 | 0.56 |
| CB-DWT(3000)-2 | 7.44 | 1.65 | 1.52 | 0.76 |
| CB-DWT(3000)-3 | 10.85 | 2.41 | 1.91 | 1.02 |
| CB-DWT(3000)-4 | 17.78 | 4.45 | 2.41 | 1.37 |
- This dual wall heat shrink tubing has a higher shrink ratio, which allows it to wrap around wires with larger diameters.
- The 4:1 adhesive lined semi-rigid heat shrink tubing is a halogen free and flame retardant tubing that is RoHS compliant. The zero halogen option ensures the heat shrink tubing is environmentally friendly, and an ideal choice for automotive, halogen/flame resistant and diesel resistant products.
- This heat shrink tubing has a thicker hot-melt adhesive layer to offer an excellent seal against fluids and moisture.
- This heat shrink tubing has a wide operating temperature range of wider range of -40℃ to 135℃. (The shrinkage starts at 110℃ and completes at 135℃.)
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