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Technical & Standard

10KV Technical Standard for Heat Shrink Tubing of Busbar


Made of environment-friendly material 10KV heat shrinkable polyolefin heat shrinkable busbar by high-energy electron beam crosslinking, PBB, PBBD, PBBE limit and heavy metals and other harmful substances to the environment, does not produce toxic and harmful substances during combustion, can provide high insulation strength and resistance to carbon tracking performance, corrosion and electrical equipment for bus insulation and protection.

Product features

Contraction ratio: 2:1 (1kV, 35kV), 2.5:1 (10kV bus)

Shrinkage temperature:84℃~125℃

Operating temperature:-40℃~125℃

Environmental protection, high strength, good elasticity, flame retardant and soft

Product Usage

Functional use: electrical insulation, mechanical protection, to reduce the phase spacing, the production of joint boxes

Environmental certification: RoHS, & nbsp; Color standard: iron red, yellow, green, black

Application areas: power industry

10kv busbar heat shrink tubing management and management of electrical performance table

Performance

Unit

Performance

Test method / condition

Tensile Strength

MPa

≥10.4(Before aging)

GB/T 1040

130℃×168h

≥7.3(After aging)

Elongation at break

%

≥300(Before aging)

GB/T 1040,GB/T7141

130℃×168h

≥100(After aging)

Heat shock

-

Not sticky, not cracked

JB 7829 Appendix D. (160 ° C × 4h)

Cold bending

-

Not cracked

-30℃×4h

Breakdown strength

kv/mm

≥25

GB/T 1408.1

Volume resistivity

Ω.cm

≥1×1014

GB/T 1410

Radial shrinkage

%

≥50

 

Partial wall rate**

%

≤30

UL 224

Flame retardant

-

≥30

GD/T 2406

Water absorption

%

≤0.5

ISO 62-1980

Power frequency withstand voltage*

kv/mm

≥30kV.1min

GB/T 1408.1

Shore Hardness (Shore A)

 

≤90

GB 2401

*The indexes for 10KV bus. In the index test, must be the product of differential shrinkage on the bus bar, and to ensure that the thinnest thickness is greater than 2mm, the bus length should be greater than or equal to 1200mm.

*35kV bus continuous partial wall ratio of 50%

10kV bus specification of heat shrinkable sleeve

Standard

Applicable busbar width

Size before shrinkage(mm)

Size after shrinkage(mm)

Standard packaging
(M/plate)

Internal diameter

Wall thickness range

Internal diameter

Wall thickness

25

10kV WMPG 15/6

15/12

≥15

1.0±0.30

≤6.0

2.5±0.20

25

10kV WMPG 20/8

20/15

≥20

1.0±0.30

≤8.0

2.5±0.20

25

10kV WMPG 25/10

25/18

≥25

1.0±0.30

≤10.0

2.5±0.20

25

10kV WMPG 30/12

30/20

≥30

1.0±0.30

≤12.0

2.5±0.20

25

10kV WMPG 40/16

40/30

≥40

1.2±0.30

≤16.0

2.8±0.30

25

10kV WMPG 50/20

50/35

≥50

1.2±0.30

≤20.0

2.8±0.30

25

10kV WMPG 60/24

60/45

≥60

1.2±0.30

≤24.0

2.8±0.30

25

10kV WMPG 65/26*

65/45

≥65

1.2±0.30

≤26.0

2.8±0.30

25

10kV WMPG 70/28

70/50

≥70

1.2±0.30

≤28.0

2.8±0.30

25

10kV WMPG 75/30*

75/50

≥75

1.2±0.30

≤30.0

2.8±0.30

25

10kV WMPG 80/32

80/55

≥80

1.2±0.30

≤32.0

2.8±0.30

25

10kV WMPG 85/34*

80/65

≥85

1.2±0.30

≤34.0

2.8±0.30

25

10kV WMPG 100/40

100/75

≥100

1.2±0.30

≤40.0

2.8±0.30

25

10kV WMPG 120/48

120/85

≥120

1.2±0.30

≤48.0

2.8±0.30

25

10kV WMPG 150/60

150/105

≥150

1.2±0.30

≤60.0

2.8±0.30

25

10kV WMPG 180/72

180/120

≥180

1.2±0.30

≤72.0

2.8±0.30

25

10kV WMPG 210/84*

210/140

≥210

1.2±0.40

≤84.0

2.8±0.30

25

10kV WMPG 230/92*

230/150

≥230

1.2±0.40

≤92.0

2.8±0.30

25

10kV WMPG 250/100*

250/160

≥250

1.2±0.40

≤100.0

2.8±0.30

25

Description:1. Applicable bus specifications 20/15 for 20mm wide rectangular bus or diameter of 15mm round bus
Description:2. With * specifications that do not do inventory, you need to order a special order

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