Substation Conductor Silicone Rubber Overhead Line
CoverDescriptionThe 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.
Technical Performance Serial No.PropertiesUnitStandard
DataTest ResultsTest Methods1Electrical Strength TestKV/mm≥2022GB/T
1408.1-20062Volume ResistivityΩ.cm>=1×10142×1014GB/T
1410-20063Dielectric Constant 2-32.3GB/T 1409-20064Shore
Hardness 70±57.1GB/T 53155.15.2Mechanical PropertiesBefore
ageingTensile StrengthElongation at breakAfter Heat ageing(180ºC,
7d)Tensile Strength ChangeElongation
ChangeMPa%%>=4.0>=200±30±305.524313-22GB/T 5286Low
Temperature Elongation(-15ºC, 2h)%>=20190GB/T 2951.4-19977Low
Temperature Flexibility(-50ºC, 4h)-No cracksNo
cracksUL224-20048High Temperature Crack Resistance(155ºC, 2h)-No
cracksNo cracksGB/T2951.6-1997Product Dimension LJ Stranded
Wire Cross-sectional Area(Nominal)O.D. Of LJ Stranded
Wire(mm)Silicone Rubber Sleeving Covers Models16 mm²5.101025
mm²6.451035 mm²7.501050 mm²9.001270 mm²10.801295 mm²12.4817120
mm²14.2517150 mm²15.7520185 mm²17.5020210 mm²18.7524.2240
mm²20.0024.2300 mm²22.4024.2400 mm²25.9030500 mm²29.1232630
mm²32.6735800 mm²36.9039.8Voltage Ratings/Wall Thickness
Voltage(kV)≤10kV≤35kV≤110kV≤220kVThickness(mm)2.3mm2.3-3.0mm4.0-6.0mm6.0-8.0mmPackingCertificationCompany
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