Adhesive Lined Medium Wall Heat Shrink Tubing
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Model: CYG-MWTA
Material
Exterior layer: irradiated cross-linked modified polyolefin
Inner layer: hot-melt adhesive
Shrink ratio: 3.5:1, 4:1
Applications
This medium wall polyolefin heat shrink tubing has an excellent insulation and mechanical protection performance. The tubing has higher shrink ratios to make it suitable for splicing of accessories and wires in a wide range of sizes. This heat shrink tubing also features a thicker wall, allowing it to offer insulating and mechanical protection for connectors in medium and high voltage cables. In addition, the hot melt adhesive inner layer offers a water resistant seal for all connecting accessories.
| Size | As supplied | After recovery | Standard length | |
| Min. inside Diameter | Max. inside Diameter | Min. wall thickness | ||
| 8/2 | 8 | 2 | 1.7 | 1.22m/pcs |
| 12/3 | 10 | 3 | 2.0 | 1.22m/pcs |
| 13/4 | 13 | 4 | 2.0 | 1.22m/pcs |
| 16/5 | 16 | 5 | 2.2 | 1.22m/pcs |
| 19/5 | 19 | 5 | 2.2 | 1.22m/pcs |
| 22/6 | 22 | 6 | 2.5 | 1.22m/pcs |
| 28/6 | 28 | 6 | 2.5 | 1.22m/pcs |
| 33/8 | 33 | 8 | 2.5 | 1.22m/pcs |
| 40/12 | 40 | 12 | 2.7 | 1.22m/pcs |
| 45/12 | 45 | 12 | 2.7 | 1.22m/pcs |
| 55/16 | 55 | 16 | 2.8 | 1.22m/pcs |
| 65/19 | 65 | 19 | 2.8 | 1.22m/pcs |
| 75/22 | 75 | 22 | 3.0 | 1.22m/pcs |
| 85/25 | 85 | 25 | 3.0 | 1.22m/pcs |
| 95/25 | 95 | 25 | 3.0 | 1.22m/pcs |
| 115/34 | 115 | 34 | 3.2 | 1.22m/pcs |
| 140/42 | 140 | 42 | 3.3 | 1.22m/pcs |
| 160/50 | 160 | 50 | 3.3 | 1.22m/pcs |
| 180/50 | 180 | 58 | 3.3 | 1.22m/pcs |
| 205/65 | 205 | 65 | 3.3 | 1.22m/pcs |
| Item | Test method | Specifications |
| Continuous operating temperature | IEC216 | -55℃~110℃ |
| Tensile strength | ASTM D2671 | ≥14MPa |
| Elongation at break | ASTM D2671 | ≥400% |
| Tensile strength after aging | ASTM D2671(150℃，168h) | ≥12MPa |
| Elongation at break after aging | ASTM D2671(150℃，168h) | ≥300% |
| Volume resistivity | IEC93 | ≥1.0x1014 Ω· cm |
| Dielectric strength | IEC243 | ≥20kV/mm |
| Copper stability | ASTM D2671 | Pass |
| Longitudinal shrinkage | UL224 | 0~10% |
| Concentricity | ASTM D2671 | ≥65% |
| Cracking resistance | ASTM D1693 (50℃) | No cracking |
| Water absorption | ISO62(23℃，14天) | ≤0.2% |
| Adhesive | ||
| Softening Point | ASTM DE28 | 85℃ |
| Peel Strength (PE) | DIN30672 | ≥4N/cm |
| Copper stability | ASTM D2671 | Non-corrosive |
| Resistance to fungus and decay | ISO846 | Pass |
| Test item | Test method | Specifications |
| Operation temperature | IEC 216 | -55℃-110℃ |
| Shrink temperature | Company standard | 120℃ |
| Longitudinal change | UL224 | 0~5% |
| Tensile strength | ASTM D2671 | ≥14MPa |
| Elongation | ASTM D2671 | ≥400% |
| Elongation after aging (168hrs at 150℃±2℃) | ASTM D2671 | ≥300% |
| Tensile strength after aging (168hrs at 150℃±2℃) | ASTM D2671 | ≥12MPa |
| Dielectric strength | IEC 243 | ≥20kV/mm |
| Volume resistivity | IEC 93 | ≥1X1014Ω.cm |
| Copper corrosion | ASTM D2671 | No corrosion |
| Water absorption | ISO62，23℃， 14days | ≤0.2% |
- This dual wall heat shrink tubing is covered in a black layer, thus giving it an excellent UV resistance.
- The minimum full recovery temperature of this dual wall heat shrink tubing is 135℃. When the environmental temperature is higher than 135℃, the shrinking time will be reduced.
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