Heat Shrink Semi-conductive Tubes are used in cable joints up to 36 kV to provide insulation screen on the build-up insulation over connectors.
The Semi-conductive Tubing are made from thermally stabilised cross linked Semi-conductive Polymeric material
Features.-
-
Material: cross linked polymeric.
-
Operating temperature: -40 oC ~ 100 oC.
-
Shrink temperature: start at 100 oC and shrink totally at 130 oC.
-
Standard color: black.
Dimensions
|
|
Part No. |
Diameter (mm) |
recovered wall
thickness Nom. (mm) |
standard lenght (mm) |
As supplied
Min. (mm) |
After recovery
Max. (mm) |
|
WRSBG-45/18 |
45 |
18 |
2.4 ± 0.1 |
400 - 1200 |
|
WRSBG-50/20 |
50 |
20 |
2.4 ± 0.1 |
400 - 1200 |
|
WRSBG-55/23 |
55 |
23 |
2.4 ± 0.1 |
400 - 1200 |
|
WRSBG-60/24 |
60 |
24 |
2.4 ± 0.1 |
400 - 1200 |
|
WRSBG-65/25 |
65 |
25 |
2.4 ± 0.1 |
400 - 1200 |
|
WRSBG-75/29 |
75 |
29 |
2.9 ± 0.1 |
400 - 1200 |
|
WRSBG-90/30 |
90 |
30 |
2.9 ± 0.1 |
400 - 1200 |
|
WRSBG-100/36 |
100 |
36 |
2.9 ± 0.1 |
400 - 1200 |
|
WRSBG-120/37 |
120 |
37 |
2.9 ± 0.1 |
400 - 1200 |
Technical Data
|
|
Property |
Test Method |
Standard Value |
|
Operating temperature |
IEC 216 |
- 40 oC to + 100 oC |
|
Tensile strength |
ASTM-D 638 |
≥ 14 MPa |
|
Elongation at break |
ASTM-D 638 |
≥ 300% |
|
Tensile strength after aging |
ASTM-D 2671/130 oC, 168 hrs |
≥ 12 MPa |
|
Elongation at break after aging |
ASTM-D 2671/130 oC, 168 hrs |
≥ 240% |
|
Volume resistance |
ASTM-D 2303 |
102 ~ 108 Ω.cm |
|
Longitudinal shrinkage |
- |
≤ 15% |
|
Eccentricity |
ASTM-D 2671 |
≤ 30% |
|
Water absorption |
ISO 62 |
≤ 0.1% |
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