| Customization: | Available |
|---|---|
| CAS No.: | N/a |
| Formula: | N/a |
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The product is used as peroxide cross-linked and strippable semi conductive insulating shield for LV and MV cross-linked polyethylene insulated cables. The produced cables has an excellent electrical and physical properties, and easy processing and other characteristics.
| Type | Usage |
| PYJBJ-10 | It is peroxide-crosslinked semi-conductive insulating shielding material for conductors of up to 10kV XLPE insualted cables. |
| PYJBJ-35 | It is peroxide-crosslinked semi-conductive insulating shielding material for conductors of up to 35kV XLPE insulated cables. |
Standard:
JB/T 10437-2004
JB/T 10260-2014
| No. | Item | Unit | PYJBJ-10 | PYJBJ-35 |
| 1 | Density | g/cm3 | 1.14 | 1.14 |
| 2 | Tensile Strength(T.S)≥ | Mpa | 13 | 14 |
| 3 | Elongation at Break(E)≥ | % | 250 | 270 |
| 4 | The condition of Thermal aging test conditions | / | 135ºCx168h | |
| Variation ratio of tensile strength | % | ±20 | ±20 | |
| Variation ratio of elongation at break | % | ±20 | ±20 | |
| 5 | Low temperature impact brittle property (-40ºC) | / | 0/30 | 0/30 |
| 6 | Condition of impact embrittlement test | / | 200ºCx0.2Mpax15min | |
| Load Elongation | % | 65 | 60 | |
| Permanent deformation after cooling | % | 2.5 | 0 | |
| 7 | Volume Resistivity (20ºC) | Ω.cm | 55 | 45 |
| 8 | Volume Resistivity (90ºC) | Ω.cm | 950 | 850 |
Production Processs
Recommendable temperature of the extruder fuselage: 70ºC-100ºC.
Neck temperature: 100ºC-105ºC
Head temperature: 110ºC-105ºC
Recommendable to use the mesh 20x60 with double filter.
Storage
The semi conductive shielding material is installed in the double-layer polyethylene film. After sealed package, it is loaded into the hard corrugated box which is not easy damaged, and the outer membrane is water proof, the net weight of each case is 600kg. It is stored in a clean, dry and ventilated warehouse, with a height of less than two layer. The transport process keeps away from sun, rain and mechanical impact.
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