CN101291047A - 电缆冷封包工艺 - Google Patents
电缆冷封包工艺 Download PDFInfo
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- CN101291047A CN101291047A CNA2008100361292A CN200810036129A CN101291047A CN 101291047 A CN101291047 A CN 101291047A CN A2008100361292 A CNA2008100361292 A CN A2008100361292A CN 200810036129 A CN200810036129 A CN 200810036129A CN 101291047 A CN101291047 A CN 101291047A
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Abstract
Description
项目 | 指标 |
拉伸断裂强度,Mpa | ≥1.5 |
断裂伸长率,% | ≥600 |
体积电阻率,Ω,cm | ≥1014 |
相对介电常数 | 2.5 |
耐热耐寒-40℃24h,90℃24h,5周期 | 无变化 |
耐热应力开裂(130℃,1h) | 不开裂 |
180度剥离强度,N/cm | ≥30 |
耐臭氧性臭氧浓度0.025-0.03%,3h | 无肉眼可见开裂 |
防水性/浸水性25℃,24h后,直流电1000V,1min25℃,24h后,交流电2200V,1min | 绝缘电阻无变化绝缘无损坏 |
项目 | 指标 |
冲击强度,Kj/m2 | ≥50 |
耐热性 | 100℃2h无分层、拉脱、开裂 |
剥离强度,KN/m | ≥0.8 |
耐化学腐蚀,常温360h有机油3%,H2SO 3%,NaCl 3% | 无溶胀、分层、开裂 |
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100361292A CN101291047B (zh) | 2008-04-16 | 2008-04-16 | 电缆冷封包工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008100361292A CN101291047B (zh) | 2008-04-16 | 2008-04-16 | 电缆冷封包工艺 |
Publications (2)
Publication Number | Publication Date |
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CN101291047A true CN101291047A (zh) | 2008-10-22 |
CN101291047B CN101291047B (zh) | 2010-09-22 |
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Application Number | Title | Priority Date | Filing Date |
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CN2008100361292A Active CN101291047B (zh) | 2008-04-16 | 2008-04-16 | 电缆冷封包工艺 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107732803A (zh) * | 2017-10-19 | 2018-02-23 | 中国水利水电第十四工程局有限公司 | 一种大截面低压单芯软电缆的修复方法 |
CN110086062A (zh) * | 2019-04-22 | 2019-08-02 | 中国能源建设集团广东省电力设计研究院有限公司 | 一种适用深井型接地极的电缆与馈电体的连接方法 |
CN111029992A (zh) * | 2019-12-04 | 2020-04-17 | 中国船舶重工集团公司第七一五研究所 | 一种电缆阻水方法 |
-
2008
- 2008-04-16 CN CN2008100361292A patent/CN101291047B/zh active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107732803A (zh) * | 2017-10-19 | 2018-02-23 | 中国水利水电第十四工程局有限公司 | 一种大截面低压单芯软电缆的修复方法 |
CN110086062A (zh) * | 2019-04-22 | 2019-08-02 | 中国能源建设集团广东省电力设计研究院有限公司 | 一种适用深井型接地极的电缆与馈电体的连接方法 |
CN111029992A (zh) * | 2019-12-04 | 2020-04-17 | 中国船舶重工集团公司第七一五研究所 | 一种电缆阻水方法 |
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Publication number | Publication date |
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CN101291047B (zh) | 2010-09-22 |
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C56 | Change in the name or address of the patentee |
Owner name: CHINA RAILWAY SIGNAL + COMMUNICATION SHANGHAI ENGI Free format text: FORMER NAME: SHANGHAI ENGINEERING CO., LTD. OF CHINA RAILWAY SIGNALLING + COMMUNICATION |
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Address after: 200436 No. 248 West Road, Shanghai Patentee after: China Railway Signal & Comm. Shanghai Engineering Co., Ltd. Address before: 200436 No. 248 West Road, Shanghai Patentee before: Shanghai Engineering Co., Ltd. of China Railway Signalling & Communication |
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C56 | Change in the name or address of the patentee |
Owner name: CHINA RAILWAY SIGNAL + COMMUNICATION SHANGHAI ENGI Free format text: FORMER NAME: CHINA RAILWAY SIGNAL + COMM. SHANGHAI ENGINEERING CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 200436 No. 248 West Road, Shanghai Patentee after: CHINA RAILWAY SIGNAL & COMMUNICATION SHANGHAI ENGINEERING BUREAU GROUP CO., LTD. Address before: 200436 No. 248 West Road, Shanghai Patentee before: China Railway Signal & Comm. Shanghai Engineering Co., Ltd. |