High Quality Insulated Heat Shrinkable Tubing Busbar Protection Casing

High Quality Insulated Heat Shrinkable Tubing Busbar Protection Casing image

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Basic Info.

Model NO.

VMPG

Transport Package

Carton

Specification

Customized

Trademark

Origin

China

Product Description

No.

Item

Description

Type

High-voltage heat-shrinkable busbar sleeve is used for the insulation protection of busbar in 10KV, 20KV, 35KV substation power distribution cabinet and other occasions. It will not reduce the interception quantity of bus bar after installation. It has good flame retardant and insulating properties, providing a strong guarantee for the safe operation of the electric power system.

Shrinkage Temperature

100ºC~130ºC

Working Temperature

-55ºC~125ºC

Features

high strength, good elasticity, high flame retardant, good insulation, corrosion resistance and weather resistance

Type & Specification

Item No.

10KV Before Shrink
(mm)

20KV Before Shrink
(mm)

35KV Before Shrink
(mm)

Inner Diameter

Wall Thickness

Inner Diameter

Wall Thickness

Inner Diameter

Wall Thickness

VMPG-Φ20/10

20±0.8

1.0±0.2

20±0.9

1.4±0.3

20±1.0

1.8±0.3

VMPG-Φ25/12.5

25±0.8

1.0±0.2

25±0.9

1.4±0.3

25±1.0

1.8±0.3

VMPG-Φ30/15

30±1.0

1.0±0.2

30±1.0

1.4±0.3

30±1.0

1.8±0.3

VMPG-Φ40/20

40±1.0

1.0±0.2

40±1.0

1.4±0.3

40±1.0

1.8±0.3

VMPG-Φ50/25

50±2.0

1.2±0.2

50±2.0

1.5±0.3

50±2.0

1.8±0.3

VMPG-Φ55/27.5

55±2.0

1.2±0.2

55±2.0

1.5±0.3

55±2.0

2.0±0.3

VMPG-Φ65/32.5

65±3.0

1.2±0.2

65±3.0

1.5±0.3

65±3.0

2.0±0.3

VMPG-Φ75/37.5

75±3.0

1.2±0.3

75±3.0

1.5±0.3

75±3.0

2.0±0.3

VMPG-Φ85/42.5

85±3.0

1.2±0.3

85±3.0

1.5±0.3

85±3.0

2.0±0.3

VMPG-Φ100/50

100±4.0

1.2±0.3

100±4.0

1.5±0.3

100±4.0

2.0±0.3

VMPG-Φ120/60

120±4.0

1.2±0.3

120±4.0

1.5±0.3

120±4.0

2.0±0.3

VMPG-Φ150/75

150±4.0

1.2±0.3

150±4.0

1.5±0.3

150±4.0

2.0±0.3

VMPG-Φ180/90

180±4.0

1.2±0.3

180±4.0

1.8±0.3

180±4.0

2.2±0.3

VMPG-Φ200/100

200±5.0

1.2±0.3

200±5.0

1.8±0.3

200±5.0

2.0±0.3

VMPG-Φ230/115

230±5.0

1.2±0.3

230±5.0

1.8±0.3

230±5.0

2.0±0.3

VMPG-Φ250/125

250±5.0

1.2±0.3

250±5.0

1.8±0.3

250±5.0

2.0±0.3

VMPG-Φ300/150

300±5.0

1.2±0.3

300±5.0

1.8±0.3

300±5.0

2.0±0.3

Remark:

10KV 20KV Standard Package 25m/r,1m/pc; 35KV Standard Package 20m/r,1m/pc.

Tech Data

Property Item

Test Method

Test Value

Tensile Strength

ASTM D638

≥10Mpa

Elongation At Break

ASTM D638

≥330%

Tensile Strength After Ageing

ASTM D638

≥8Mpa

Elongation After Ageing

ASTM D638

≥250%

Longitudinal Shrink Ratio

ASTM D2671

±5%

Dielectric Constant

ASTM D2671

≥18Ω·cm

Dielectric Strength

ASTM D149

≥25kv/mm

Volume Resistivity

ASTM D257

>10¹⁴Ω·cm

20ºC Volume Resistivity

ASTM D257

>10¹⁴Ω·cm

Oxygenation Index

ASTM D2863

≥27%

Water Absorption

ASTMD570

≤0.2%

Density

ASTM D 792

1.22g/cm²

Flame retardance

UL 224

VW-1

Completely Temperature Shrinkage

ASTM D792

130±5ºC

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