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Technical & Standard

35KV Busbar Heat Shrinkable Sleeve


35kv continuous busbar heat shrink tubing made of high energy electron beam bombardment cross-linked environmentally friendly polyolefin heat shrinkable material, limit PBB, PBBD, PBBE and heavy metals and other environmentally harmful substances, combustion does not produce gas and harmful substances , Can provide a higher insulation strength and resistance to carbon footprint performance, suitable for bus and electrical equipment, corrosion and insulation protection.

Features

Shrinkage ratio: 2: 1 (1kV, 35kV), 2.5: 1 (10kV busbar)

Shrink temperature: 85 ℃ ~ 125 ℃

Operating temperature: -40 ℃ ~ 125 ℃

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

Product Usage

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

Color standard: iron red, yellow, green, black

Application areas: power industry

35kv busbar heat shrinkage 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

* This metric applies to 10KV busbars. In the test of the indicators, the product must be evenly shrunk in the busbar, and to ensure that the thinnest thickness of more than 2mm, busbar length to ≥ 1200mm.

*35kV continuous busbar partial wall rate ≤ 50%

35kv busbar heat shrinkable casing specification table

Specifications

Use the busbar width

Size before shrinkage(mm)

Size behind shrinkage(mm)

Standard packaging
(MP/Plate)

Internal diameter (T)

Wall thickness range(s)

Internal diameter(t)

Wall thickness(L)

35kV WMPG 30/15

30

≥30

2.0±0.60

≤15.0

4.0±0.30

15

35kV WMPG 35/18

30/40

≥35

2.0±0.60

≤17.5

4.0±0.30

15

35kV WMPG 40/20

40

≥40

2.0±0.60

≤20.0

4.0±0.30

15

35kV WMPG 50/25

50

≥50

2.0±0.60

≤25.0

4.0±0.30

15

35kV WMPG 60/30

60

≥60

2.0±0.60

≤30.0

4.0±0.30

15

35kV WMPG 65/33*

60/70

≥65

2.0±0.60

≤32.5

4.0±0.30

15

35kV WMPG 70/35

70

≥70

2.0±0.60

≤35.0

4.0±0.30

15

35kV WMPG 75/38*

70/80

≥75

2.0±0.60

≤37.5

4.0±0.30

15

35kV WMPG 80/40

80/100

≥80

2.0±0.60

≤40.0

4.0±0.30

15

35kV WMPG 100/50

100/120

≥100

2.0±0.60

≤50.0

4.0±0.30

15

35kV WMPG 120/60

150

≥120

2.0±0.60

≤60.0

4.0±0.30

15

35kV WMPG 150/75

180

≥150

2.0±0.70

≤75.0

4.0±0.30

15

35kV WMPG 180/90*

MAX

≥180

2.0±0.70

≤90.0

4.0±0.30

15

35kV WMPG 210/105*

MAX

≥210

2.0±0.70

≤105.0

4.0±0.30

15

35kV WMPG 230/115*

MAX

≥230

2.0±0.70

≤115.0

4.0±0.30

15

35kV WMPG 250/115*

MAX

≥250

2.0±0.70

≤125.0

4.0±0.30

15

Note: with the * number of specifications that do not do inventory, need to order a special order


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