| Introduction | ||||
| Semi-rigid polyolefin double-wall heat-shrinkable tube, high shrinkage rate, flame retardant, suitable for waterproof sealing and insulation protection of automobile wiring harness wire connectors, terminals and components; length can be customized. | ||||
| Features | ||||
| Operating temperature: -40℃-130℃ | ||||
| Minimum full shrinkage temperature: 135 ℃ | ||||
| Environmental protection， ELV，RoHS compliant | ||||
| Shrink ratio: 4:1 | ||||
| Color : Black |
| Technical Data | ||||
| Property | Test Method | Value | ||
| Heat shrink tube property | ||||
| Longitudinal change rate | ASTM D2671 | ≥-10% | ||
| Tensile strength | ASTM D2671 | ≥10.3MPa | ||
| Breakdown elongation | ASTM D2671 | ≥250% | ||
| 2% secant modulus | ASTM D2671 | ≥137MPa | ||
| Heat shock(225℃/4h) | ASTM D2671 | No dripping, no flow, no cracks (outer layer) | ||
| Dynamic cutting | ASTM D3032 | ≥13.6kg | ||
| Volume resistivity | ASTM D2671 | ≥1.0×1014Ω.cm | ||
| Flame retardant(outer layer only) | ISO 6722-1 | Self-extinguishing within 30S | ||
| Joint performance | ||||
| Leakage current of the initial sample | Q/DLH 0006 | ≤0.25μA | ||
| After repeated bending at room temperature
Current leakage | Q/DLH 0006 |
≤0.25μA | ||
| After Heat shock
Current leakage | Q/DLH 0006 |
≤0.25μA | ||
| Low temperature flexibility
Withstand voltage | Q/DLH 0006
1kV×1 minute |
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