Overhead Line Insulation Silicone Rubber Sleeve Covers
Overhead Line Insulation Silicone Rubber Sleeve Covers image
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Basic Info.
Product Description
What’s the difference between Heat Shrink and Cold Shrink?
Heat Shrink products offers a range of wall thicknesses and adhesive options that can be better tailored to your application, offering precise shrink ratios.
No tools are required with our Cold Shrink products, speeding up your installation time. Reduces chances of cable damage, since there is no heating element. The cold shrink technology is more versatile since there are no need for permits, and is safe for enclosed spaces.
TECHNICAL CHARACTERISTICS:
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(180ºC, 7d) | % | ±30 | 13 | |
Tensile Strength Change(180ºC, 7d) | % | ±30 | -22 | ||
Elongation Change | % | ±30 | -22 | ||
6 | Low Temperature Elongation(-15ºC, 2h) | % | ≥20 | 190 | GB/T 2951.4-1997 |
7 | Low Temperature Flexibility(-50ºC, 4h) | – | No cracks | No cracks | UL224-2004 |
8 | High Temperature Crack Resistance(155ºC, 2h) | – | No cracks | No cracks | GB/T2951.6-1997 |
Packaging & Delivery
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Tags: Cable Accessories, Dual Wall Heat Shrinkable Tubing, Overhead Line Insulation Silicone Rubber Sleeve Covers, plasticsheet