SEMI-CONDUCTING, INSULATION, ELASTOMERIC INSULATION TRIPLE LAYER HEAT SHRINKABLE TUBING BH-TRT
- Applications: BH-TRT is suitable for applications in power joints from 11kV to 36kV.
- Characteristics: BH-TRT is triple wall heat shrinkable tubing. Its inner layer is made from elastomeric insulation materials, middle layer is made from PE materials and the external layer is made from semi-conductive materials to provide electric shielding.
-
Operating temperature range: Minimum shrink temperature: 110℃
Minimum fully recovery temperature: 130℃ - Approvals / Specifications: RoHS
- Colors: Black
| Normal size (mm) | As supplied (mm) | After recovered (mm) | ||||
| Inside diameter(min.) | Inside diameter(max.) | Total Wall thickness(mm) | Simi-conducting layer(mm) | Middle PE layer(mm) | Inner elastomeric layer (mm) | |
| BH-TRT 36/12 | 36 | 12 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 46/15 | 46 | 15 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 50/18 | 50 | 18 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 56/21 | 56 | 21 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 62/25 | 62 | 25 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 70/30 | 70 | 30 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 80/36 | 80 | 36 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 95/40 | 95 | 40 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
| BH-TRT 120/50 | 120 | 50 | 7.80±0.40 | 0.80±0.10 | 3.5±0.20 | 3.5±0.20 |
|
Property |
Test Method |
Typical Data |
|
Inner Layer |
||
|
Tensile strength |
ASTM D 412 |
≥5MPa |
|
Elongation at break |
ASTM D 412 |
≥800% |
|
Water absorption |
ISO 62 |
<0.5% |
|
Volume resistance |
IEC 93 |
≥ |
|
Dielectric strength |
IEC 243 |
≥28KV/mm |
|
Density |
ASTM D792 |
1.1g/cm3 |
|
Middle Layer |
||
|
Tensile strength |
ASTM D 2671 |
≥12MPa |
|
Elongation at break |
ASTM D 2671 |
≥300% |
|
Water absorption |
ISO 62 |
<0.5% |
|
Volume resistance |
IEC 93 |
≥ |
|
Dielectric strength |
IEC 243 |
≥20KV/mm |
|
Density |
ASTM D257-98 |
1.15g/cm3 |
|
External Layer |
||
|
Tensile strength |
ASTM D 412 |
≥14MPa |
|
Elongation at break |
ASTM D 412 |
≥300% |
|
Water absorption |
ISO 62 |
<0.5% |
|
Volume resistance |
IEC 93 |
< |
|
Density |
ASTM D792 |
1.15g/cm3 |
