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High Voltage Heat shrink busbar sleeve
Description
MPRS-HV High Voltage Heat shrink busbar sleeve, a kind of continuous tube shape material made of radiation cross-linked polyolefin, carry excellent insulating performance. Typical applications include insulation of electrical bus bar rated up to 36KV or higher voltage ratings, rectangular, square and round bus bars, inline bolted connections of rectangular bus bars, copper or aluminum bus bars, metal-clad switchgear, metal-enclosed bus bar, substation switchgear etc.
Features
Shrink ratio: 2:1 Tracking resistant, low smoke emitting, high strength, flexible, flame retardant Min. shrink temperature: ≥84°C Min. full recovery temperature: ≥120 °C Continuous operating temperature: -55～125 °C RoHS compliant Standard Colors :Black, White, Red ,Yellow, Green ,Blue. More colors are available upon request.
Technical Performance
Property
Typical data
Test Method
Tensile strength
≥8.0MPa
ASTM D 2671
Elongation at break
≥300%
ASTM D 2671
Tensile strength after heat aging
≥6.9MPa
130℃×168 h
Elongation after heat ageing
≥100%
130℃×168h
Longitudinal change
-8%～+8%
ASTM D 2671
Flammability(Oxygen index)
≥28
GB/T 2406
Heat Shock
No tracks
JB 7829
Dielectric Strength
≥20kv/mm
ASTM D 149
Shore A Hardness
≤90
GB2411
Volume resistivity
≥1014Ω.cm
IEC 60093
Structure
Dimensions (2:1)
Size(mm)
As supplied(mm)
D
After recovered（mm）
Standard length
Inner diameter
d
Wall thickness
w
(M/spool)
Φ30/15
≥30
≤15
4.0±0.30
15
Φ40/20
≥40
≤20
4.0±0.30
15
Φ50/25
≥50
≤25
4.0±0.30
15
Φ65/33
≥65
≤33
4.0±0.30
15
Φ75/38
≥75
≤38
4.0±0.30
15
Φ85/43
≥85
≤43
4.0±0.30
15
Φ100/50
≥100
≤50
4.0±0.30
15
Φ120/60
≥120
≤60
4.0±0.30
15
Φ150/75
≥150
≤75
4.0±0.30
15
Φ180/90
≥180
≤90
4.0±0.30
15
Φ210/105
≥210
≤105
4.0±0.30
15
Φ230/115
≥230
≤115
4.0±0.30
15
Φ250/125
≥250
≤125
4.0±0.30
15
Φ300/150
≥300
≤150
4.0±0.30
15
Note: Non-standard dimensions and packages also available on your request
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Single Wall Heat Shrink Tubing 
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