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Mainly used in electrified railway rebar insulation protection, the product has a high dielectric strength and tensile strength. It has a strong weather resistance and good aging resistance. It is also an Environmentally friendly product.
| Size (mm) | I.D.(mm) | Wall (mm) | Length (m) |
| Φ20.0 | 20.0 | 1.0±0.1 | 1.0 ~ 1.2 |
| Φ22.5 | 22.5 | 1.0±0.1 | 1.0 ~ 1.2 |
| Φ23.0 | 23.0 | 1.0±0.1 | 1.0 ~ 1.2 |
| Property | Performance | Standard |
| Physical | ||
| Raw Material | Modified polyethylene, moderate, lead-free and non-cadmium | IEC 62321 |
| Surface | Smooth, opaque | |
| Specific Gravity | 0.953g/cm3 | ASTM-D 792, A-I |
| Thickness | 1.0±0.1mm | |
| Shrinkage Ratio | 2.3 : 1 | |
| Longitudinal Change | 5% | ASTM-D 2671 |
| Mechanical | ||
| Tensile Strength | 26MPa | IEC 60684-2 |
| Elongation | 670% | IEC 60684-2 |
| Secant Coefficient | 250MPa | ASTM-D 882 |
| Thermal | ||
| Heat Aging | 158°C, 168h | UL 224 |
| Tensile Strength | 21MPa | |
| Elongation | 480% | |
| Heat Shock | 200°C, 4h | IEC 811-1-2 |
| Cold Bend | -40°C, no cracking | ASTM-D 2671 C |
| Flammability | Pass | FMVSS 302 |
| Recovery Temperature | 125°C ~ 200°C | |
| Storage Temperature | ≤ 60°C | |
| Continuous Operation Temperature | -50°C ~ 135°C | IEC 216 |
| Chemical | ||
| Corrosion | No corrosion | ASTM-D 2671 A |
| Copper Stability | No corrosion | ASTM-D 2671 B |
| Chemical Resistance | Good | |
| Water Absorption | 0.2% | VDE 0472 |
| Electrical | ||
| Dielectric Strength | 33KV/mm | VDE 0303-2 |
| Volume Resistivity | 1014 Ω·cm | VDE 0303-3 |
| Address: | 1288 Shexi Road, Beishe Community, Fenhu Town, Wujiang District, Suzhou City, Jiangsu Province, China |
| Telephone: | (0512) 63241242，63248702 |
| E-mail: | overseas@dasheng.com |
| Website: | www.dasheng.com |
