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Silicone Rubber Material 220KV High Voltage Line Insulator

Product Description

220KV High Voltage Line Insulator  

 

 

Description

Description

220KV High Voltage Line Insulator. 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. 220KV High Voltage Line Insulator .

 

 

 

 

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 

 

 

Features

Features

 

Voltage(kV)

10kV

35kV

110kV

220kV

Thickness(mm)

2.3mm

2.3-3.0mm

4.0-6.0mm

6.0-8.0mm

 

 

 

Packing

 
Company Show

 
Certification

 
They trust us

 

Contact us

Contact us

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