The red inner layer is made of insulation material to provide good insulation.
The black outer layer is made of semi-conductive material to provide electrical shielding.
Suitable for applications in medium voltage cable joints up to 42kV.
Shrink temperature: start at 90°C, and fully recovered at 130°C.
| Spec. | As Supplied/mm | After Recovered/mm | Standard Length /mm | ||
|---|---|---|---|---|---|
| Inner Diameter Min | Wall Thickness (±20%) | Inner Diameter Max | Wall Thickness (±10%) | ||
| WDWT-30/12 | 30 | 2.8 | 12 | 5.8 | 300-1000 |
| WDWT-35/13 | 35 | 2.5 | 13 | 5.8 | 300-1000 |
| WDWT-45/17 | 45 | 2.3 | 17 | 5.8 | 300-1000 |
| WDWT-55/21 | 55 | 2.2 | 21 | 5.8 | 300-1000 |
| WDWT-65/26 | 65 | 2.3 | 26 | 5.8 | 300-1000 |
| WDWT-85/30 | 85 | 2.7 | 30 | 7.2 | 300-1000 |
| WDWT-100/38 | 100 | 2.9 | 38 | 7.2 | 300-1000 |
| WDWT-120/45 | 120 | 2.9 | 45 | 7.2 | 300-1000 |
| Property | Test Method | Standard Value |
|---|---|---|
| Tensile Strength | ASTM-D-638 | ≥ 10MPa |
| Elongation at Break | ASTM-D-638 | ≥ 350% |
| Tensile Strength Variation After Heat Aging (130°C×168h) | ASTM-D-5510 | ≤± 20% |
| Elongation at Break Variation After Heat Aging (130°C×168h) | ASTM-D-5510 | ≤± 20% |
| Volume Resistivity | IEC 60093 | ≥1x1014 Ω.cm |
| Dielectric Strength | IEC 60243 | ≥20kV/mm |
| Dielectric Constant | IEC 60250 | ≤4 |
| Brittle Temperature | ISO 974 | -40°C |
| Hardness (Shore A) | ISO 868 | ≥80 |
| Heat Shock | 160°C, 4h | No Crack |
| Longitudinal Shrinkage | ASTM-D-2671 | ≤10% |
| Eccentricity | ASTM-D-2671 | ≤30% |
| Property | Test Method | Standard Value |
|---|---|---|
| Tensile Strength | ASTM-D-638 | ≥ 10MPa |
| Elongation at Break | ASTM-D-638 | ≥ 350% |
| Tensile Strength Variation After Heat Aging (130°C×168h) | ASTM-D-5510 | ≤± 20% |
| Elongation at Break Variation After Heat Aging (130°C×168h) | ASTM-D-5510 | ≤± 20% |
| Volume Resistivity | IEC 60093 | ≥1x103 Ω.cm |
| Hardness (Shore A) | ISO 868 | ≥80 |
| Heat Shock | 160°C, 4h | No Crack |
| Brittle Temperature | ISO 974 | -40°C |
| Longitudinal Shrinkage | ASTM-D-2671 | ≤10% |
| Eccentricity | ASTM-D-2671 | ≤30% |
