4:1 Adhesive Lined Semi-Rigid Heat Shrink Tubing

4:1 Adhesive Lined Semi-Rigid Heat Shrink Tubing
4:1 Adhesive Lined Semi-Rigid Heat Shrink Tubing
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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.

Size
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
Specifications
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
Size
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
Features
  • 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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