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SINOFUJI

HomeProductsOverhead Line CoverTailor Made Overhead Line CoverMedium voltage electrical overhead line material
  • Medium voltage electrical overhead line material

Medium voltage electrical overhead line material

Additional Info

Brand: SINOFUJI

Place of Origin: China

Product Description

electrical overhead line material




Description


electrical overhead line material. 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. electrical overhead line material.

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Technical Performance


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

70±5

7.1

GB/T 531

5

5.1

5.2

Mechanical Properties

Before ageing

Tensile Strength

Elongation at break

After Heat ageing(180°C, 7d)

Tensile Strength Change

Elongation Change

MPa

%

%

4.0

200

±30

±30

5.5

243

13

-22

GB/T 528

6

Low Temperature Elongation(-15°C, 2h)

%

20

190

GB/T 2951.4-1997

7

Low Temperature Flexibility(-50°C, 4h)

-

No cracks

No cracks

UL224-2004

8

High Temperature Crack Resistance(155°C, 2h)

-

No cracks

No cracks

GB/T2951.6-1997




Product Dimensions


Voltage Ratings/Wall Thickness

Voltage(kV)

10kV

35kV

110kV

220kV

Thickness(mm)

2.3mm

2.3-3.0mm

4.0-6.0mm

6.0-8.0mm

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Product Categories : Overhead Line Cover > Tailor Made Overhead Line Cover

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