220KV Transformer Conductor Silicone Rubber Overhead Power Line Accessories
Product Description
220KV Transformer Conductor Silicone Rubber Overhead Power Line Accessories
Description
RUBNS-OLC Overhead Power Line Accessories 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. Overhead Power Line Accessories 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 |
Structure:
Dimension:
Product Categories : Silicone Rubber OH Line Cover
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