Finished cables are cross-linked via electron accelerator irradiation, delivering superior mechanical strength, electrical insulation, and flame retardancy. This material complies with GB/T 32129-2015 and meets environmental regulations such as RoHS and REACH. The finished cable meets GB/T 19666-2019, IEC 60332, and UL 1581 FT-2 standards. The product is suitable for applications in power transmission and distribution, urban power grids, and indoor switchgear cables.
| No. | Test Item | Unit | Standard | Typical Values | ||||
| DS-WDZF-105 (DW) | DS-WDZF-125 (DW) | |||||||
| 1 | Specific Gravity | g/cm³ | / | 1.48 | 1.47 | |||
| 2 | Tensile Strength | MPa | ≥10.0 | 13.5 | 13.8 | |||
| 3 | Elongation at Break | % | ≥150 | 165 | 170 | |||
| 4 | Oxygen Index | % | ≥28 | 32 | 32 | |||
| 5 | Air Thermal Aging | Tensile Strength Change Rate | % | ±25 | 135℃ 168h | +10 | 158℃ 168h | +12 |
| Elongation Change Rate | % | ±25 | -8 | -15 | ||||
| 6 | Hot Extension (200℃, 0.2MPa, 15min) |
Elongation under Load | % | ≤100 | 55 | 45 | ||
| Permanent Deformation after Cooling | % | ≤25 | 0 | 0 | ||||
| 7 | Smoke Density | With Flame | / | ≤100 | 55 | 50 | ||
| Without Flame | / | ≤350 | 325 | 320 | ||||
| 8 | Volume Resistivity at 20℃ | Ω·cm | 1.0×10¹⁴ | 4.5×10¹⁴ | 5.0×10¹⁴ | |||
| 9 | Dielectric Strength | MV/m | ≥20 | 30 | 30 | |||
| 10 | Impact Brittleness Temperature | ℃ | -25 | Pass | Pass | |||
| 11 | pH Value | / | ≥4.3 | 5 | 5 | |||
| 12 | HCl and HBr Content | % | ≤0.5 | <0.5 | <0.5 | |||
| 13 | Electrical Conductivity | μS/mm | ≤10 | 0.52 | 0.52 | |||
| *The above indicators are the performance parameters of this product after cross-linking. | ||||||||
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