Rubber Silicon Electrical Overhead Line Materials
Product Description
Rubber silicon electrical overhead line materials
Description
RUBNS-OLC Rubber silicon electrical overhead line materials 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. Rubber silicon electrical overhead line materials 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 |
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Product Categories : Silicone Rubber OH Line Cover
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