Dual Wall Semi-Rigid Heat Shrink Tubing (Item ASR230, Adhesive Lined Tubing, Black, 3:1 Shrink Ratio)
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The outer layer of the dual wall semi-rigid heat shrink tubing is a semi-rigid EVA material. The inner material is a hot-melt adhesive. After heating and shrinking, the outer layer EVA can provide insulation and abrasion resistance and the inner can provide waterproofing and sealing.
This kind of tubing is mainly used for insulation protection of medium and low voltage cables and anti-corrosion and abrasion resistance of various tubing.
Product features| The lowest temperature of beginning shrinking | 70℃ |
| The lowest temperature of ending shrinking | 125℃ |
| Operating temperature | -45℃~125℃ |
| Heat shrinking ratio | 3:1 |
| Environmental standard | RoHS |
| Major material semi-rigid | EVA |
| Standard color | black (other colors can be ordered) |
| Specification | Inner diameter before shrinking (mm) | Size after shrinking (mm) | Package standard | |||||
| Inner diameter Minimum | Inner diameter maximum | The outer layer wall thickness | Adhesive layer thickness | Average total wall thickness | Meter / piece | |||
| Φ6.0 /2.0 | 6 | 2 | 1.4±0.20 | 1.85±0.25 | 0.45±0.10 | 1.22 | ||
| Φ8.0 /2.0 | 8 | 2 | 1.4±0.20 | 1.85±0.25 | 0.45±0.10 | 1.22 | ||
| Φ10.2/3.0 | 10.2 | 3 | 1.4±0.20 | 1.90±0.25 | 0.50±0.10 | 1.22 | ||
| Φ12.0/3.0 | 12 | 3 | 1.4±0.20 | 1.90±0.25 | 0.50±0.10 | 1.22 | ||
| Φ16.0/5.0 | 16 | 5 | 1.5±0.20 | 2.15±0.30 | 0.55±0.15 | 1.22 | ||
| Φ19.1/5.6 | 19.1 | 5.6 | 1.8±0.20 | 2.40±0.30 | 0.60±0.15 | 1.22 | ||
| Φ22.0/6.0 | 22 | 6 | 2.0±0.30 | 2.60±0.30 | 0.60±0.15 | 1.22 | ||
| Φ25.0/8.0 | 25 | 8 | 2.4±0.30 | 2.70±0.30 | 0.95±0.20 | 1.22 | ||
| Φ28.0/6.0 | 28 | 6 | 2.5±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ33.0/8.0 | 33 | 8 | 2.4±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ38.1/12.0 | 38.1 | 12 | 2.4±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ43.2/12.7 | 43.2 | 12.7 | 2.4±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ55.0/16.0 | 55 | 16 | 2.5±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ65.0/19.0 | 65 | 19 | 2.9±0.30 | 3.30±0.35 | 0.80±0.15 | 1.22 | ||
| Φ75.0/22.0 | 75 | 22 | 2.9±0.30 | 3.70±0.40 | 0.80±0.15 | 1.22 | ||
| Φ85.0/25.0 | 85 | 25 | 3.0±0.30 | 3.70±0.40 | 0.80±0.15 | 1.22 | ||
| Φ95.0/30.0 | 95 | 30 | 3.0±0.30 | 3.80±0.40 | 0.80±0.15 | 1.22 | ||
| Φ115/34.0 | 115 | 34 | 3.0±0.30 | 3.80±0.40 | 0.80±0.15 | 1.22 | ||
| Φ140/42.0 | 140 | 42 | 3.1±0.30 | 3.80±0.40 | 0.80±0.15 | 1.22 | ||
| Φ160/50.0 | 160 | 50 | 3.1±0.30 | 3.90±0.40 | 0.80±0.15 | 1 | ||
| Φ180/65.0 | 180 | 65 | 3.1±0.30 | 3.90±0.40 | 0.80±0.15 | 1 | ||
| Φ200/69.0 | 200 | 69 | 3.1±0.30 | 3.90±0.40 | 0.80±0.15 | 1 | ||
| Φ230/78.0 | 230 | 78 | 3.1±0.30 | 3.90±0.40 | 0.80±0.15 | 1 | ||
| Property | Index | Test method |
| Minimum tensile strength | ≥14MPa | ASTM D 2671 |
| Minimum breaking elongation | ≥400% | ASTM D 2671 |
| Tensile strength after heat aging | ≥12MPa | 158℃×168h |
| Minimum breaking elongation after heat aging | ≥300% | 158℃×168h |
| The axial changing ratio | -8%～+8% | ASTM D 2671 |
| Minimum disruptive strength | 20kV/mm | IEC 60243 |
| Minimum volume resistivity | Ω·cm | IEC 60093 |
| Water absorption ratio | 0.005 | ASTM D 570 |
| Heat impact | No crack and dripping | 225℃×4h |
| Property | Index | Test method |
| Softening point | 95℃±5℃ | ASTM E 28 |
| Water absorption point | 0.5% | ASTM D 570 |
| The minimum peel strength of PE | ≥120N/25mm | ASTM D 1000 |
| The minimum peel strength of AL | ≥80N/25mm | ASTM D 1000 |
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