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

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

Model: CYG-DWT(RX)

Material
Exterior layer: irradiated cross-linked modified polyolefin
Inner layer: modified polyamide hot-melt adhesive

Shrink ratio: 4:1

Applications
The semi-rigid adhesive lined polyolefin heat shrink tubing is a dual wall heat shrink tubing that is designed to meet special requirements for automotive wire harnesses. This transparent semi-rigid heat shrink tubing has an excellent sealing performance, diesel resistance and insulation performance. The continuous operating temperature of this heat shrinkable product is -40℃~125℃, and the shrinkage temperature is 100℃~150℃.

Size
Size As supplied After recovery
ID (mm) ID (mm) Total wall (mm) Adhesive wall(mm)
5.7 ≥5.7 ≤1.27 1.5±0.30 0.7
8.0 ≥8.0 ≤1.65 1.8±0.30 0.7
10.8 ≥10.0 ≤2.4 2.2±0.50 1.2
17.8 ≥17.8 ≤4.45 2.4±0.50 1.2
Specifications
Item Test methods Requirement
Operation temperature Company standard -40℃-125℃ for jacket
Shrink temperature ASTM D2671 110℃
Tensile strength ASTM D638 ≥10.4MPa
Elongation at break ASTM D638 ≥200%
Cold shock ASTM D745,-40±2℃ No cracking
Dielectric strength ASTM D2671 ≥19.7kv/mm
Volume resistance ASTM D876 ≥1×1013Ω.cm
Tensile strength after aging ASTM D638 ≥7.3MPa
Elongation at break after aging ASTM D638 ≥100%
Dielectric strength after aging ASTM D2671 ≥15.8kv/mm
Softening point of melt liner(℃) Company standard 110±5
Peel strength of melt liner (N/25mm) ASTM D 2671 >80
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