Single Wall Flame Retardant Heat Shrink Tubing (Item HFR140, Black Heavy Wall Tubing, 3:1 Shrink Ratio)
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Single wall flame retardant heat shrink tubing is made from EVA material with flame retardant properties by radiation disposal with a wall thickness of over 2.3mm. The Single wall flame retardant heat shrink tubing has excellent mechanical properties such as mechanical protection, impact resistance and knife damage.
The single wall flame retardant heat shrink tubing is mainly applied for insulation protection of high-voltage cables and termination joints with flame retardant requirement and various busbars and anti-corrosion and mechanical protection of various pipes.
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 | Inner diameter before shrinking(mm) | Size after shrinking(mm) | Package standard | |
| Inner diameter | Inner diameter maximum | Wall thickness | Meter/piece | |
| 9 /3 | 9.0 | 3.0 | 2.30±0.25 | 1.22 |
| 13 /4 | 13.0 | 4.0 | 2.75±0.25 | 1.22 |
| 20 /6 | 20.0 | 6.0 | 2.90±0.25 | 1.22 |
| 28 /9 | 28.0 | 9.0 | 2.90±0.25 | 1.22 |
| 33 /10.2 | 33.0 | 10.2 | 3.60±0.25 | 1.22 |
| 38.1/12 | 38.1 | 12.0 | 4.00±0.30 | 1.22 |
| 43.2/12.7 | 43.2 | 12.7 | 5.00±0.35 | 1.22 |
| 55 /16 | 55.0 | 16.0 | 5.00±0.35 | 1.22 |
| 75/22 | 75.0 | 22.0 | 5.00±0.35 | 1.22 |
| 85/25 | 85.0 | 25.0 | 5.00±0.35 | 1.22 |
| 105/30 | 105.0 | 30.0 | 5.10±0.35 | 1.22 |
| 120/39 | 120.0 | 39.0 | 5.10±0.35 | 1.22 |
| 140/42 | 140.0 | 42.0 | 5.10±0.35 | 1.22 |
| Property | Index | Test method |
| Tensile strength | ≥12MPa | ASTM D 2671 |
| Breaking elongation | ≥300% | ASTM D 2671 |
| Tensile strength after heat aging | ≥8.4MPa | 158℃×168h |
| Breaking elongation after heat aging | ≥100% | 158℃×168h |
| The axial changing ratio | -8%～+8% | ASTM D 2671 |
| Flame retardant property | Self-extinguish within 30s | SAE-AMS-DTL-23053/4 |
| Disruptive strength | ≥15kV/mm | IEC 60243 |
| Volume resistivity | ≥1014Ω=cm | IEC 60093 |
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