Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
MEI Awards

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, Black and Red X Patten Heat Shrink Thin Wall Tube, Red Heat Shrinkable Busbar Insulation Sleeving 24kv and so on.

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Red Silicone Rubber Overhead Line Cover

Get Latest Price
Purchase Qty. / Reference FOB Price
200-499 Meters US $2.5
500-1,999 Meters US $2.2
2,000+ Meters US $2
Production Capacity: 1, 000, 000 Meters/Month
Transport Package: Standard Carton Package
Payment Terms: L/C, T/T, Paypal, Western Union
Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish
Type: Insulation Sleeve
Chemistry: Inorganic Insulation
Material: Rubber
Thermal Rating: 250 250
Maximum Voltage: 220kv

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Basic Info

Color: Red
Brand: Volsun
Product: Red Silicone Rubber Overhead Line Cover
Heat Shrink Ratio: No Shrink, Split Line Hose/ Overhead Line Cover
Standard Color: White/ Black/ Red/ Green
Operating Temperature: -40 Degree to 200 Degree
Sample: Free for Existing Sample
Dielectric Constant: GB/T 1409-2006
Electrical Strength Test: GB/T 1408.1-2006
Trademark: VOLSUN
Specification: RoHS
Origin: China
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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