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3:1 Adhesive-Lined Dual-Wall Heat-Shrink Tubing
Adhesive-lined dual-wall heat-shrink tubing combines a cross-linked polyolefin outer wall with a hot-melt adhesive liner. After recovery it provides insulation, abrasion protection, sealing and strain relief for harness branches, repairs and moisture-exposed connections.
ConstructionPolyolefin + hot-melt adhesive
Ratio3:1
UseSealing, insulation and repair
Data retained from the previous website. Confirm material grade and performance requirements for the selected model.
TECHNICAL DATA
Download specification CSV ↓
Download specification CSV ↓
Download specification CSV ↓
Specifications
| Eco dual-wall tubing specifications | |||||||
|---|---|---|---|---|---|---|---|
| Size | Before recovery (mm) | After recovery (mm) | Standard packing | ||||
| Inch | mm | Minimum inner diameter D | Maximum inner diameter d | Total wall thickness T+t | Adhesive wall thickness t | m/reel | m/length |
| 3/32 | Φ2.4 | ≥2.4 | ≤1.2 | 0.80±0.30 | 0.40±0.20 | 200 | |
| 1/8 | φ3.2 | ≥3.2 | ≤1.00 | 0.90±0.30 | 0.40±0.20 | 200 | — |
| 3/16 | φ4.8 | ≥4.8 | ≤1.60 | 1.05±0.30 | 0.40±0.20 | 100 | — |
| 1/4 | φ6.4 | ≥6.4 | ≤2.20 | 1.25±0.30 | 0.45±0.20 | 100 | — |
| 5/16 | φ7.9 | ≥7.9 | ≤2.70 | 1.35±0.30 | 0.45±0.20 | 100 | — |
| 3/8 | φ9.5 | ≥9.5 | ≤3.20 | 1.45±0.30 | 0.50±0.20 | 100 | — |
| 1/2 | φ12.7 | ≥12.7 | ≤4.20 | 1.65±0.30 | 0.50±0.20 | 50 | 1.22 |
| 5/8 | φ15.0 | ≥15.0 | ≤5.20 | 1.80±0.30 | 0.55±0.30 | 50 | 1.22 |
| 3/4 | φ19.1 | ≥19.1 | ≤6.30 | 1.95±0.30 | 0.60±0.30 | 50 | 1.22 |
| 1 | φ25.4 | ≥25.4 | ≤8.50 | 2.00±0.40 | 0.60±0.30 | 25 | 1.22 |
| 5/4 | φ30.0 | ≥30.0 | ≤10.20 | 2.15±0.40 | 0.65±0.30 | 25 | 1.22 |
| 3/2 | φ39.0 | ≥39.0 | ≤13.50 | 2.45±0.40 | 0.75±0.30 | 25 | 1.22 |
| Product performance | Test method | Performance index |
| Tensile strength (MPa) | ASTM D2671 | ≥12 |
| Elongation at break (%) | ASTM D2671 | ≥300 |
| Tensile strength after heat aging (MPa) | UL224 158℃×168h | ≥7.3 |
| Elongation after heat aging (%) | UL224 158℃×168h | ≥200 |
| Breakdown strength (kV/mm) | UL224 | Withstands 2500 V for 60 s without breakdown |
| Volume resistivity (Ω·m) | IEC 93 | ≥1×1014 |
| Applicable temperature | -45℃~125℃ | |
| Rated voltage | 600V | |
| Recovery temperature | Initial shrink temperature 70°C; minimum full recovery 125°C; operating shrink temperature 125–200°C | |
| Shrink ratio；Longitudinal shrinkage | Shrink ratio 3:1；Longitudinal shrinkage ≤±8% | |
| Environmental performance | Complies with EU RoHS | |
| Standard color | Black (other colors available on request) |
| Performance | Test method | Performance index |
| Water absorption | ASTM-D570 | ＜0.2% |
| Softening point | ASTM-E8 | 95℃ |
| Peel strength (PE) | ASTM-D1000 | 120N/25m |
| Peel strength (AL) | ASTM-D1000 | 80N/25m |
Application illustration
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