Silane cross-linked low-smoke, halogen-free flame-retardant insulation material relies on silane chemical cross-linking, with low processing equipment threshold and high production efficiency. With excellent temperature resistance, electrical insulation, and anti-aging performance, it is suitable for urban and rural distribution networks and indoor power cables, with lower comprehensive cost, and can meet the regular fire power supply needs of the grid.
| No. | Test Item | Unit | Standard | Typical Values | ||
| DS-GW-105 (DW) | DS-GW-125 (DW) | |||||
| 1 | Specific Gravity | g/cm³ | / | 1.48 | 1.58 | |
| 2 | Tensile Strength | MPa | ≥10.0 | 12.5 | 11 | |
| 3 | Elongation at Break | % | ≥150 | 165 | 160 | |
| 4 | Oxygen Index | % | ≥28 | 32 | 40 | |
| 5 | Air Thermal Aging 135℃, 168h |
Change Rate of Tensile Strength | % | ±25 | +12 | +15 |
| Change Rate of Elongation | % | ±25 | -16 | -20 | ||
| 6 | Hot Elongation 200℃, 0.2MPa, 15min |
Elongation Under Load | % | ≤100 | 45 | 50 |
| Permanent Deformation After Cooling | % | ≤25 | 0 | 0 | ||
| 7 | Smoke Density | Flaming | / | ≤100 | 65 | 45 |
| Flameless | / | ≤350 | 320 | 260 | ||
| 8 | Volume Resistivity at 20℃ | Ω·cm | 1.0×10¹⁴ | 4.5×10¹⁴ | 4.0×10¹⁴ | |
| 9 | Dielectric Strength | MV/m | ≥20 | 28 | 28 | |
| 10 | Low Temperature Brittleness Temperature | ℃ | -25 | Pass | Pass | |
| 11 | pH Value | / | ≥4.3 | 5 | 5.1 | |
| 12 | HCl and HBr Content | % | ≤0.5 | ＜0.5 | ＜0.5 | |
| 13 | Conductivity | μS/mm | ≤10 | 0.52 | 0.52 | |
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