3:1 Single Wall Flame Retardant Heat Shrink Tubing (Item FR140, Black)
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The 3:1 single wall flame retardant heat shrink tubing is made by extruding the polyolefin after radiation disposal and has uniform wall thickness, the thickest layer reaching to 3.7mm.
This tubing not only has excellent electrical insulation property but also has good flame retardant properties and is mainly applied for insulation protection of medium or low voltage cables with flame retardant requirements or for anti-corrosion and mechanical protection used of any pipe.
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 |
| Flame retardant type | soft and flame retardant |
| Major material | EVA |
| Standard colors | black (other colors can be ordered) |
| Specification | Size before shrinking (mm) | Size after shrinking (mm) | Package standard | |
| Inner diameter | Inner diameter maximum | Wall thickness | Meter/piece | |
| 6/2 | 6 | 2 | 1.80±0.25 | 1.22 |
| 10.2/3.0 | 10.2 | 3 | 1.75±0.25 | 1.22 |
| 16/5.0 | 16 | 5 | 1.90±0.25 | 1.22 |
| 19.1/5.6 | 19.1 | 5.6 | 2.45±0.25 | 1.22 |
| 25/8 | 25 | 8 | 2.45±0.25 | 1.22 |
| 28/9 | 28 | 9 | 2.60±0.25 | 1.22 |
| 35/10.2 | 35 | 10.2 | 2.70±0.25 | 1.22 |
| 38.1/12 | 38.1 | 12 | 2.70±0.25 | 1.22 |
| 43.2/12.7 | 43.2 | 12.7 | 2.70±0.25 | 1.22 |
| 55/16 | 55 | 16 | 2.80±0.30 | 1.22 |
| 63/19 | 63 | 19 | 3.00±0.30 | 1.22 |
| 75/22 | 75 | 22 | 3.00±0.30 | 1.22 |
| 85/25 | 85 | 25 | 3.30±0.30 | 1.22 |
| 95/29 | 95 | 29 | 3.70±0.35 | 1.22 |
| 115/34 | 115 | 34 | 3.70±0.35 | 1.22 |
| 140/42 | 140 | 42 | 3.70±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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