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自承式电话用户通信引入线

<h3><img src="/Resource/News/2024/09/14/83c4d08f0de44098ac09c8029b5c0872.png" data-filename="/" style="width: 91px;">&nbsp;<span style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif;">自承式电话用户通信引入线</span></h3><h3><img src="/Resource/News/2024/09/14/95b6438ef5ca44ad8414016c0c7a6a22.jpg" data-filename="/" style="width: 630px;"></h3><h3><img src="/Resource/News/2024/09/14/2d49f441c89145058beefd71a580bebe.png" data-filename="/" style="width: 95px;"></h3><h3><p style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px;"><strong style="">引用标准：</strong>YD/T&nbsp; 722</p><table border="1" cellspacing="0" bordercolor="#000000" cellpadding="0" width="100%" style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><tbody><tr><td valign="top" width="108"><p align="center">型号</p></td><td valign="top" width="144"><p align="center">规格</p></td><td valign="top" width="120"><p align="center">导体</p></td><td valign="top" width="144"><p align="center">绝缘</p></td><td valign="top" width="144"><p align="center">额定温度</p></td></tr><tr><td valign="top" width="108"><p align="center">HBGTY</p></td><td valign="top" width="144"><p align="center">2*0.9BC+1.2Steel&nbsp;</p></td><td valign="top" width="120"><p align="center">铜</p></td><td valign="top" width="144"><p align="center">PE</p></td><td valign="top" width="144"><p align="center">60℃</p></td></tr></tbody></table><p style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><strong><br></strong></p><p style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><strong>电气性能</strong></p><table border="1" cellspacing="0" bordercolor="#000000" cellpadding="0" width="100%" style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><tbody><tr><td width="324"><p>导体直流电阻 20℃</p></td><td width="168"><p align="center">Ω/km</p></td><td width="168"><p align="center">≤30</p></td></tr><tr><td width="324"><p align="center">导体直流电阻不平衡</p></td><td width="168"><p align="center">%</p></td><td width="168"><p align="center">≤2.5</p></td></tr><tr><td width="324"><p align="center">介电强度 (直流3秒钟,)</p></td><td width="168"><p align="center">DC (V)</p></td><td width="168"><p align="center">2500</p></td></tr><tr><td width="324"><p align="center">工作电容</p></td><td width="168"><p align="center">nF/km</p></td><td width="168"><p align="center">65.0</p></td></tr></tbody></table><p style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><strong><br></strong></p><p style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><strong>物理性能</strong></p><table border="1" cellspacing="0" bordercolor="#000000" cellpadding="0" width="100%" style="color: rgb(68, 68, 68); font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: 400;"><tbody><tr><td width="324"><p>导体伸长率</p></td><td width="168"><p align="center">%</p></td><td width="168"><p align="center">≥20</p></td></tr><tr><td width="324"><p align="center">导体抗拉强度(铜包钢)</p></td><td width="168"><p align="center">MPa</p></td><td width="168"><p align="center">≥412</p></td></tr><tr><td width="324"><p align="center">绝缘伸长率</p></td><td width="168"><p align="center">%</p></td><td width="168"><p align="center">≥600</p></td></tr><tr><td width="324"><p align="center">绝缘抗拉强度</p></td><td width="168"><p align="center">MPa</p></td><td width="168"><p align="center">≥14</p></td></tr></tbody></table></h3>