- Heat shrink tubing of busbar
- 【Brief 】：
Model:BSHST
Made of cross linked polyolefin
High resistance to tracking, aging and erosion
Used to offer insulation protection for busbar in switchgear and substation
Can be supplied in continuous length
Continuous operation temperature: -45℃ to 105℃
Shrink temperature: start at 110℃, and fully recovered at 130℃
Color: yellow, red, green, blue, black - 【Series】：Single wall heat shrink tube
- Product description
Technical Data
Property
Test Method
Standard Value
Operation Temperature
IEC 216
-45℃ to 105℃
Tensile Strength
ASTM-D-2671
≥10MPa
Elongation at Break
ASTM-D-2671
≥400%
Tensile Strength after Aging
ASTM-D-2671
≥8MPa (130℃,168 hrs)
Elongation at Break
after Aging
ASTM-D-2671
≥320% (130℃,168 hrs)
Dielectric Strength
IEC 60243
≥25kV/mm
Volume Resistivity
IEC 60093
≥1×1014Ω·cm
Dielectric Constant
IEC 250
≤3.0
Longitudinal Shrinkage
ASTM-D-2671
Eccentricity
≤30%
Water Absorption
ISO 62
≤0.5%
Flammability (Oxygen Index)
IEC 4589
≥28
Copper Corrosion
ASTM-D-2671
No corrosion (130℃,168 hrs)
Cold Bend
ASTM-D-2671
No cracking (-40℃, 4 hrs)
Selection Table (10 kV heat shrink busbar sleeve)
As Supplied/mm
After Recovered/mm
Suitable for Rectangular
Suitable for Circular
ID(Min)
Wall Thickness
ID(Max)
Wall Thickness (±10%)
Busbar/mm
Busbar/mm
20
1.2
8
2.5
20
15
Ф25
25
1.2
11
2.5
1000
25
15
Ф30
30
1.2
13
2.5
1000
30
20
Ф40
40
1.2
16
2.5
1000
40
25
Ф50
50
1.3
18
2.7
1000
50
30
Ф65
65
1.3
28
2.7
1000
65
40
Ф75
75
1.3
31
2.7
1000
75
50
Ф85
85
1.3
36
2.7
1000
85
55
Ф100
100
1.3
42
2.7
1000
100
75
Ф120
120
1.3
48
2.7
1000
120
85
Ф150
150
1.3
62
2.7
1000
150
105
Ф180
180
1.3
73
2.7
1000
180
120
Ф210
210
1.3
84
2.7
1000
210
130
Ф230
230
1.2
85
2.7
1000
230
135
Ф250
250
1.5
102
3.7
1000
250
140
Ф300
300
1.6
110
3.9
1000
300
160
Ф350
350
1.2
142
3
1000
350
200
Ф400
400
1.2
160
3
1000
400
260
Ф450
450
1.4
193
3.2
1000
450
300
Ф500
500
1.2
193
3.2
1000
500
330
