SEMI-CONDUCTING/ELASTOMERIC INSULATION DOUBLE LAYER HEAT SHRINKABLE TUBING BH-EDT
- Applications: Semi-conducting/elastomeric insulation double layer heat shrinkable tubing is suitable for applications in power joints from 11KV to 36KV
- Characteristics: BH-EDT is dual wall heat shrinkable tubing. Its inner layer is made from elastomeric insulation materials to provide high insulation and the external layer is made from semi-conductive materials to provide electric shielding. The tubing manufactured with special technology
-
Operating temperature range: Minimum shrink temperature: 110℃
Minimum fully recovery temperature: 135℃ - Approvals / Specifications: RoHS
- Colors: Black
|
Size |
As supplied(mm) |
After shrink(mm) |
Standard Length |
|
|
Inner diameter（Min.） |
Inner diameter（Max.） |
Wall thickness（Nom.） |
||
|
38/13 |
38 |
13 |
5.0 |
≤ 1.22 |
|
45/17 |
45 |
17 |
5.5 |
≤ 1.22 |
|
50/20 |
50 |
20 |
5.5 |
≤ 1.22 |
|
55/23 |
55 |
23 |
5.5 |
≤ 1.22 |
|
65/25 |
65 |
25 |
6.0 |
≤ 1.22 |
|
75/30 |
75 |
30 |
6.0 |
≤ 1.22 |
|
85/35 |
85 |
35 |
6.0 |
≤ 1.22 |
|
95/40 |
95 |
40 |
6.2 |
≤ 1.22 |
|
115/50 |
115 |
50 |
6.3 |
≤ 1.22 |
|
Property |
Test method |
Values |
|
|
Outer layer (semi-conductive layer, black) |
|||
|
Tensile Strength |
ASTM D 2671 |
≥12 MPa |
|
|
Breakdown elongation |
ASTM D 2671 |
≥270% |
|
|
Aging(158℃/168hrs) |
Tensile Strength |
ASTM D 2671 |
≥ 10 MPa |
|
Breakdown elongation |
≥ 250% |
||
|
Water absorption(23℃/24hrs) |
ASTM D 570 |
≤ 0.5% |
|
|
Low temperature flexibility(-40℃/4hrs) |
ASTM D 2671 |
No cracks |
|
|
Heat shock(200℃/4hrs) |
ASTM D 2671 |
No dripping no flow |
|
|
Volume resistivity |
ASTM D 2671 |
≤ 1×104 Ω.cm |
|
|
Inner layer (insulation layer, red) |
|||
|
Tensile Strength |
ASTM D2671 |
≥12 MPa |
|
|
Breakdown elongation |
ASTM D 2671 |
≥350% |
|
|
Aging(136℃/168hrs) |
Tensile Strength |
ASTM D 2671 |
≥ 10 MPa |
|
Breakdown elongation |
≥ 270% |
||
|
Water absorption(23℃/24hrs) |
ASTM D 570 |
≤ 0.5% |
|
|
Low temperature flexibility(-40℃/4hrs) |
ASTM D 2671 |
No cracks |
|
|
Heat shock(200℃/4hrs) |
ASTM D 2671 |
No dripping no flow |
|
|
Dielectric strength |
ASTM D 2671 |
≥ 15 kV/mm |
|
|
Volume resistivity |
ASTM D 2671 |
≥ 1×1013 Ω.cm |
|
