Semi-Rigid Single Wall Heat Shrink Tubing (Item SR230, Black, 3:1 Shrink Ratio)
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The semi-rigid single wall heat shrink tubing is made by extruding the semi-rigid polyolefin and after radiation disposal. While ensuring insulation, the semi-rigid single wall heat shrink tubing has excellent flame retardant performance, water resistance, and mechanical protection than normal soft heat shrink tubing.
The wall thickness of the heat shrink tubing reach 3.9mm, which makes tubing suitable for outdoor cable, automotive wires and marine cables protection.
Product features| The lowest temperature of beginning shrinking | 70℃ |
| The lowest temperature of finishing shrinking | 125℃ |
| Operating temperature | -45℃~125℃ |
| Heat shrinkage ratio | 3:1 |
| Environmental standard | RoHS |
| Major material | EVA |
| Standard colors | black (other colors can be ordered） |
| Specification (mm) | Inner diameter before shrinking (mm) | Size after shrinking (mm) | Package standard | ||
| Inner diameter | Wall thickness | Wall thickness difference | Meter/piece | ||
| Φ6.0/2.0 | 6.0 | 2.0 | 1.9 | 0.3 | 1.2 |
| Φ8.0/2.0 | 8.0 | 2.0 | 1.9 | 0.3 | 1.2 |
| Φ10.2/3.0 | 10.2 | 3.0 | 1.9 | 0.3 | 1.2 |
| Φ12.0/3.0 | 12.0 | 3.0 | 1.9 | 0.3 | 1.2 |
| Φ16.0/5.0 | 16.0 | 5.0 | 2.2 | 0.3 | 1.2 |
| Φ19.1/5.6 | 19.1 | 5.6 | 2.4 | 0.3 | 1.2 |
| Φ22.0/6.0 | 22.0 | 6.0 | 2.6 | 0.3 | 1.2 |
| Φ25.0/8.0 | 25.0 | 8.0 | 2.7 | 0.3 | 1.2 |
| Φ28.0/6.0 | 28.0 | 6.0 | 3.3 | 0.4 | 1.2 |
| Φ33.0/8.0 | 33.0 | 8.0 | 3.3 | 0.4 | 1.2 |
| Φ38.1/12.0 | 38.1 | 12.0 | 3.3 | 0.4 | 1.2 |
| Φ43.2/12.7 | 43.2 | 12.7 | 3.3 | 0.4 | 1.2 |
| Φ55.0/16.0 | 55.0 | 16.0 | 3.3 | 0.4 | 1.2 |
| Φ65.0/19.0 | 65.0 | 19.0 | 3.3 | 0.4 | 1.2 |
| Φ75.0/22.0 | 75.0 | 22.0 | 3.7 | 0.4 | 1.2 |
| Φ85.0/25.0 | 85.0 | 25.0 | 3.7 | 0.4 | 1.2 |
| Φ95.0/30.0 | 95.0 | 30.0 | 3.8 | 0.4 | 1.2 |
| Φ115/34.0 | 115.0 | 34.0 | 3.8 | 0.4 | 1.2 |
| Φ140/42.0 | 140.0 | 42.0 | 3.8 | 0.4 | 1.2 |
| Φ160/50.0 | 160.0 | 50.0 | 3.9 | 0.4 | 1.0 |
| Φ180/65.0 | 180.0 | 65.0 | 3.9 | 0.4 | 1.0 |
| Φ200/69.0 | 200.0 | 69.0 | 3.9 | 0.4 | 1.0 |
| Φ230/78.0 | 230.0 | 78.0 | 3.9 | 0.4 | 1.0 |
| Property | Index | Test method |
| Tensile strength | ≥14MPa | ASTM D 2671 |
| Breaking elongation | ≥400% | ASTM D 2671 |
| Tensile strength after heat aging | ≥12MPa | 158℃×168h |
| Breaking elongation after heat aging | ≥300% | 158℃×168h |
| The axial changing ratio after freely shrinking | -8%～+8% | ASTM D 2671 |
| Disruptive strength | ≥20kV/mm | IEC 60243 |
| Volume resistivity | ≥1014Ω.cm | IEC 60093 |
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