Bahan Kabel Bertebat Polivinil Klorida (Bahan Kabel Bertebat PVC)
CIRI-CIRI PRODUK
SKOP PENGGUNAAN
![Polivinil Klorida Bertebat](https://ecdn6.globalso.com/upload/p/188/image_other/2023-11/6549d1140ef3244229.jpg)
![Polivinil Klorida Bertebat](https://ecdn6.globalso.com/upload/p/188/image_other/2023-11/6549d11ce64fe67679.jpg)
![Polivinil Klorida Bertebat](https://ecdn6.globalso.com/upload/p/188/image_other/2023-11/6549d1252a0f468795.jpg)
![Polivinil Klorida Bertebat](https://ecdn6.globalso.com/upload/p/188/image_other/2023-11/6549d12feaa6a12893.jpg)
Item dan piawaian ujian
sayadia ada |
| J-70 | JR-70 | JGD-70 | J-90 |
Kekuatan tegangan/MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
Regangan tegangan semasa putus/% | ≥ | 150 | 180 | 150 | 150 |
Ubah bentuk terma | ≥ | 40 | 50 | 30 | 30 |
Harta rapuh tialah suhu/℃ |
| -15 | -20 | -15 | -15 |
Kesan sifat kerosakkan |
| lulus | lulus | lulus | lulus |
Masa kestabilan terma pada 200℃/min | ≥ | 60 | 60 | 100 | 180 |
Kerintangan isipadu pada 20℃/Ω·m | ≥ | 1.0×10 12 | 1.0×10 11 | 3.0×1012 | 1.0×10 12 |
Kekuatan dielektrik/(MV/m) | ≥ | 20 | 20 | 25 | 20 |
Faktor kehilangan dielektrik(50Hz) | ≤ | — | — | 0.1 | — |
Ujian suhu/℃ |
| 70±1 | 70±1 | 70±1 | 95±1 |
Kerintangan isipadu/Ω·m | ≥ | 1.0×10 9 | 1.0×108 | 5.0×109 | 5.0×108 |
Sifat mekanikal dan fizikal bahan kabel polivinil klorida selepas penuaan
sayadia ada |
| J-70 | JR-70 | JGD-70 | J-90 |
Ujian suhu/℃ |
| 100±2 | 100±2 | 100±2 | 135±2 |
Ujian masa/j |
| 168 | 168 | 168 | 240 |
Kekuatan tegangan selepas penuaan /MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
Kadar perubahan kekuatan tegangan maksimum/% |
| ±20 | ±20 | ±20 | ±20 |
Regangan tegangan pada patah selepas penuaan/% | ≥ | 150 | 180 | 150 | 150 |
Kadar perubahan maksimum tegangan terikan semasa putus/% |
| ±20 | ±20 | ±20 | ±20 |
Keadaan ujian |
| 100±2 ℃ | 100±2 ℃ | 100±2 ℃ | 115±2℃ |
|
| 168 jam | 168 jam | 168 jam | 240 jam |
Kehilangan jisim/(g/m2) | ≤ | 20 | 20 | 20 | 20 |