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Internal Compound
body text
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For semi-conductive used to minimize electrical stress on high voltage cables lower than 35kV such as MV power cable. Excellent surface smoothness and excellent long term performance of extrudability.
Application
- 1. Semi-conductive compound used for the internal semi-conductive layer in high voltage cables lower than 35kV such as MV power cable
- CN/CV, TR-CN/CV, URD CABLE, FR-CN/CO, TR-CN/CE
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Features
- Excellent surface smoothness
- No discoloration
- A very stable volume resistance
Major physical properties and process temperature
| GRADE | WS-701HL-1 | WS-707 | TR-709 | WS-706R | |||
|---|---|---|---|---|---|---|---|
| Description | Bonded Type | Bonded Type |
|
Bonded Type | |||
| Application | Conductor shield For Outdoor Cable |
IEC 60502 Up to 35KV |
TR-CN/CV Up to 35 KV |
IEC 60502 Up to 35KV |
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| Physical Properties (Mean Values) | Test Method | Units | |||||
| Density at 23℃ | ASTM D1505 | g/㎤ | 1.14 | 1.13 | 1.12 | 1.14 | |
| Tensile Strength | ASTM D 638 | Kgf/㎟ | 2.1 | 1.7 | 1.8 | 2.0 | |
| Elongation at Break | ASTM D 638 | % | 210 | 170 | 230 | 190 | |
| After aging (135℃×168hrs) | T·S | ASTM D 638 | % | 96 | 105 | 107 | 89 |
| E·B | ASTM D 638 | % | 100 | 97 | 104 | 99 | |
| E.S.C.R 100% | ASTM D1693 | hrs | 〉200 | 〉200 | 〉200 | 〉200 | |
| Brittleness Temperature | ASTM D 746 | ℃ | -40 | -40 | -40 | -40 | |
| Heavy Metal Content | ICP | ppm | - | - | 〈200 | - | |
| Peel Strength | AZ/NZS 1660.2.5 | N | 20 | 32 | 45 | 60 | |
| Volume Resistance | 90℃ | ASTM D 991 | Ω·㎝ | 500 | 600 | 600 | 350 |
| Zone 1 | Zone 2 | Zone 3 | Zone 4 | Neck | Head | Die |
|---|---|---|---|---|---|---|
| 90 | 100 | 105 | 108 | 110 | 110 | 110 |
- Product characteristics shown above are only guidelines not the actual product specification.
- Process temperature conditions for the product may differ according to the technical spec of the machinery and processing condition.