High voltage silicon rubber electrical overhead line material
Product Description
High voltage silicon rubber electrical overhead line material
Description
RUBNS-OLC Electrical overhead line material design, ease of installation. Use silicon rubber material, anti-aging, corrosion resistance, with good resistance to corona resistance, high temperature performance, especially suitable for the protection of the bare wire. Electrical overhead line material . Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.
Technical Data
Serial No. | Properties | Unit | Standard Data | Test Results | Test Methods |
1 | Electrical Strength Test | kV/mm | ≥20 | 22 | GB/T 1408.1-2006 |
2 | Volume Resistivity | Ω·cm | ≥1×1014 | 2×1014 | GB/T 1410-2006 |
3 | Dielectric Constant | 2~3 | 2.3 | GB/T 1409-2006 | |
4 | Shore Hardness | A | 70±5 | 71 | GB/T 531 |
5 | Mechanical Properties | GB/T 528 | |||
5.1 | Before heat ageing | ||||
Tensile Strength | MPa | ≥4.0 | 5.5 | ||
Elongation at break | % | ≥200 | 243 | ||
5.2 | After Heat ageing(180℃, 7d) | % | ±30 | 13 | |
| Tensile Strength Change Elongation Change | % | ±30 | -22 | ||
6 | Low Temperature Elongation(-15℃, 2h) | % | ≥20 | 190 | GB/T 2951.4-1997 |
7 | Low Temperature Flexibility(-50℃, 4h) | - | No cracks | No cracks | UL224-2004 |
8 | High Temperature Crack Resistance(155℃, 2h) | - | No cracks | No cracks | GB/T2951.6-1997 |
Dimensions
Voltage Ratings/Wall Thickness
Voltage(KV) | ≤10KV | ≤35KV | ≤110KV | ≤220KV |
Thickness | 2.0±0.3mm | 2.6±0.4mm | 4.0±0.5mm | 6.0±1.0mm |
Package Information
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Product Categories : Cable Accessories
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