Gold Member Since 2014
Audited Supplier
Suzhou Volsun Electronics Tech. Co., Ltd.

Red Silicone Rubber Overhead Line Cover, Conductor Silicone Rubber Overhead Line Cover, 220kv Silicone Rubber Overhead Line Cover manufacturer / supplier in China, offering Red Silicone Rubber Overhead Line Cover, Replace 3m Pst/ 8420 Series EPDM Cold Shrink Tube, Switchgear Busbar Insulation Heat Shrink Tubing and so on.

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Supplier Homepage Product Non -Shrinkable Tubing Red Silicone Rubber Overhead Line Cover

Red Silicone Rubber Overhead Line Cover

Purchase Qty.:
200-499 500-1,999 2,000+
FOB Unit Price: US $2.5 US $2.2 US $2
Purchase Qty. (Meters) FOB Unit Price
200-499 US $2.5
500-1,999 US $2.2
2,000+ US $2
Get Latest Price
Production Capacity: 1, 000, 000 Meters/Month
Transport Package: Standard Carton Package
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: RUBNS-OLC
  • Type: Insulation Sleeve
  • Material: Rubber
  • Maximum Voltage: 220kv
  • Brand: Volsun
  • Heat Shrink Ratio: No Shrink, Split Line Hose/ Overhead Line Cover
  • Operating Temperature: -40 Degree to 200 Degree
  • Dielectric Constant: GB/T 1409-2006
  • Trademark: VOLSUN
  • Origin: China
  • Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish
  • Chemistry: Inorganic Insulation
  • Thermal Rating: 250 250
  • Color: Red
  • Product: Red Silicone Rubber Overhead Line Cover
  • Standard Color: White/ Black/ Red/ Green
  • Sample: Free for Existing Sample
  • Electrical Strength Test: GB/T 1408.1-2006
  • Specification: RoHS
  • HS Code: 8547909000
Product Description
Silicon Rubber Overhead Line Cover

RUBNS-OLC The innovative product 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. Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.

Red Silicone Rubber Overhead Line Cover
Technical Performance
Serial No.PropertiesUnitStandard DataTest ResultsTest Methods
1Electrical Strength TestkV/mm≥2022GB/T 1408.1-2006
2Volume ResistivityΩ·cm≥1×10142×1014GB/T 1410-2006
3Dielectric Constant
2~32.3GB/T 1409-2006
4Shore HardnessA70±571GB/T 531
5Mechanical Properties

GB/T 528
5.1Before heat ageing

Tensile StrengthMPa≥4.05.5

Elongation at break%≥200243
5.2After Heat ageing(180ºC, 7d)%±3013

Tensile Strength Change
Elongation Change
6Low Temperature Elongation(-15ºC, 2h)%≥20190GB/T 2951.4-1997
7Low Temperature Flexibility(-50ºC, 4h)-No cracksNo cracksUL224-2004
8High Temperature Crack Resistance(155ºC, 2h)-No cracksNo cracksGB/T2951.6-1997

Product Dimensions 
Red Silicone Rubber Overhead Line Cover
Red Silicone Rubber Overhead Line Cover
Voltage Ratings/Wall Thickness
Thickness 2.0±0.3mm2.6±0.4mm4.0±0.5mm6.0±1.0mm

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