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The heat shrinkable tube bus (35kV)

Product introduction : 

Continuous busbar protection heat shrinkable sleeve made of radiation cross-linked polyolefin material, excellent physical and chemical properties, the main function is the electrical insulation of the connector, solder joint rust and corrosion protection, mechanical protection, reduce the phase spacing, making the connector box, widely used In electric power, communications, automobiles, ships, aircraft manufacturing and other fields.

Product features : 

●Implementation of standards: GB / T 1059-2007

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

● resistant to carbon marks, low smoke, high strength, soft, flame retardant

● shrink temperature: ≥ 84℃

● final temperature: ≥ 120℃

● Operating temperature: -55℃ ~ 125℃

● Environmental standards: RoHS

● Standard colors: red, yellow, green, other colors to be made

Technical indicators

Performance

Index

Test method

Tensile Strength 

≥8.0MPa

ASTM D 2671

Elongation at break

≥300%

ASTM D 2671

Tensile strength after heat aging 

≥6.9MPa

130℃X168h

 Elongation at break after heat aging

≥100%

130℃X168h

Axial rate of change

-8%〜+8%

ASTM D 2671

Oxygen Index

≥27

GB/T 2406

Thermal shock

No crack

JB 7829 appendix D

 Breakthrough strength

≥20kV/mm

ASTM D 149

Hardness (Shore A)

≤90

GB 2411

Volume resistivity

≥1014 Ω.cm

IEC 60093

WMPG-35K Specification Sheet 

Specifications

Post contraction size

Supply internal diameter

Standard 

packing

(rice / disc)

internal 

diameter

wall thickness

35kV 30/15

≥30

≤15

4.0±0.30

15

35kV 40/20

≥40

≤20

4.0±0.30

15

35kV 50/25

≥50

≤25

4.0±0.30

15

35kV 65/33

≥65

≤33

4.0±0.30

15

35kV75/38

≥75

38

1.20±0.15

15

35kV 85/43

≥85

43

4.0±0.30

15

35kV 100/50

≥100

≤50

4.0±0.30

15

35kV 150/75

≥450

≤60

4.0±0.30

15

35kV 180/90

≥180

≤75

4.0±0.30

15

35kV 210/105

≥150

≤75

4.0±0.30

15

35kV 230/115

≥230

≤90.0

4.0±0.30

15

35kV 210/105

≥210

≤105

1.30±0.30

15

35kV 230/115

≥230

≤115

4.0±0.30

15

35kV 250/125

≥250

≤125

4.0±0.30

15

35kV300/150

≥300

≤150

4.0±0.30

15

Note: This product can customize the color specifications as required.



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