Polivinilxlorid izolyatsiyalangan kabel materiali (PVX izolyatsiyalangan kabel materiali)
MAHSULOT XUSUSIYATLARI
FOYDALANISH SOLASI
Sinov elementlari va standartlari
Iunda bor |
| J-70 | JR-70 | JGD-70 | J-90 |
Kuchlanish kuchi/MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
Uzilishdagi kuchlanish deformatsiyasi/% | ≥ | 150 | 180 | 150 | 150 |
Termal deformatsiya | ≥ | 40 | 50 | 30 | 30 |
Mo'rt mulk tharorat/℃ |
| -15 | -20 | -15 | -15 |
Ta'sir mo'rtlashuv xususiyatlari |
| O'tish | O'tish | O'tish | O'tish |
200 ℃ / da termal barqarorlik vaqtimin | ≥ | 60 | 60 | 100 | 180 |
20 ℃/Ō da tovush qarshiligim | ≥ | 1.0×10 12 | 1.0×10 11 | 3.0×1012 | 1.0×10 12 |
Dielektrik quvvat/(MV/m) | ≥ | 20 | 20 | 25 | 20 |
Dielektrik yo'qotish koeffitsienti (50Hz) | ≤ | — | — | 0.1 | — |
Sinov harorati/℃ |
| 70±1 | 70±1 | 70±1 | 95±1 |
Ovoz qarshiligi/Ō·m | ≥ | 1.0×10 9 | 1.0×108 | 5.0×109 | 5.0×108 |
Qarishdan keyin polivinilxlorid kabel materialining mexanik va fizik xususiyatlari
Iunda bor |
| J-70 | JR-70 | JGD-70 | J-90 |
Sinov harorati/℃ |
| 100±2 | 100±2 | 100±2 | 135±2 |
Sinov vaqt/soat |
| 168 | 168 | 168 | 240 |
Qarishdan keyin kuchlanish kuchi / MPa | ≥ | 15.0 | 15.0 | 16.0 | 16.0 |
Maksimal kuchlanish kuchini o'zgartirish tezligi /% |
| ±20 | ±20 | ±20 | ±20 |
Qarigandan keyin sinishdagi kuchlanish kuchlanishi/% | ≥ | 150 | 180 | 150 | 150 |
Kuchlanishning maksimal o'zgarish tezligi uzilishdagi kuchlanish/% |
| ±20 | ±20 | ±20 | ±20 |
Sinov holati |
| 100±2℃ | 100±2℃ | 100±2℃ | 115±2℃ |
|
| 168 soat | 168 soat | 168 soat | 240 soat |
Massa yo'qolishi/(g/m2) | ≤ | 20 | 20 | 20 | 20 |