Heat Shrink Skirt
product detail
Heat Shrink Skirt
Application
1.Used for medium voltage termination up to 36kV
2.Increase creepage distance,scatter rain,for outdoor use only
Feature
1.Anti-tracking
2.Excellent corrosion resistance
3.UV resistance and weathering resistance
4.Superior electrical and mechanical properties
Performance
Test |
Test Method |
Requirement |
Tensile strength |
ASTM D 2671 |
≥13 Mpa |
Elongation at break |
ASTM D 2671 |
＞400% |
Tensile strength after heat aging |
ASTM D 2671/120℃,168h |
≥10 Mpa |
Elongation at break after heat aging |
ASTM D 2671/120℃,168h |
≥350% |
Volume resistivity |
IEC 93 |
1013Ω.cm |
Electric constant |
IEC 250 |
3.0 Max |
Dielectrical strength |
IEC 243 |
≥15KV/mm |
Copper corrosive 120 ° C, 168 hours |
ASTM D 2671 |
Pass |
Longitudinal shrinkage |
ASTM D 2671 |
0 to-10％ |
Water absorption rate |
ISO 62 |
≤0.1% |
Flame retardancy (oxygen index) |
ASTM 4589 |
≥25 |
Type |
Expanded (mm) |
Recovered（mm） |
|||
D1 |
D2 |
D2（max） |
H |
W |
|
DQ1 |
97 |
35 |
15 |
20 |
2.5 |
DQ2 |
97 |
40 |
15 |
20 |
2.5 |
DQ3 |
110 |
45 |
20 |
20 |
3 |
DQ4 |
110 |
50 |
20 |
20 |
3 |
DQ5 |
125 |
70 |
30 |
25 |
4 |
Type |
D |
W |
|
Expanded (mm) |
Recovered（mm） |
Recovered（mm） |
|
SQ1 |
32 |
12 |
3 |
SQ2 |
38 |
15 |
3 |
SQ3 |
45 |
22 |
3 |