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电缆价格

无卤低烟电线电缆用于哪些场所?

作者:VOV接地同轴电缆 来源: 日期:2018-3-8 13:59:36 人气:0 评论:0

  HUANBAOWULUDIYANZURANJUXITINGJUEYUANDIANXIANDIANLANSHIYONGYUNAXIECHANGSUO?


  无卤低烟电线电缆用于哪些场所?适用于额定电压450/750V及以下,有无卤、低烟、阻燃要求且安全环保要求高的场所。如高层建筑、车站、地铁、机场、医院、大型图书馆、体育馆、别墅、家庭住宅、宾馆、医院、办公大楼、学校、商场等人员密集场所。


  PUTONGDIANXIANYOUNALIQUEDIAN?

无卤低烟电线电缆用于哪些场所?

大乐透走势图带连线  CHUANTONGDEJULVYIXIJUEYUANDIANXIAN,ZAIHUOZAIFASHENGSHIJULVYIXIHUNHEWUZAISHOUREHOURONGYIFENJIEYICHUDALIANGYOUJUDU、YOUFUSHIXINGHCL(LVHUAQING)QITI,BINGCHANSHENGDALIANGDEJUDUNONGYAN,ZAOCHENGZHONGDADESHENGMINGHECAICHANSUNSHI,BINGJIJIUYUANGONGZUODAILAIHENDADEKUNNAN。


大乐透走势图带连线  HUANBAOWULUDIYANZURANJUXITINGJUEYUANDIANXIANDIANLANDEXINGNENGYOUSHIYOUNAXIE?


  无卤低烟阻燃电线电缆的主要特征为所有的材料中不含卤素,且在燃烧时释放的烟雾量很少。含卤的电缆在火中释放的毒性是很可怕的。如果把在30分钟可致人死亡的气体浓度的毒性判定为1的话,那么聚氯乙烯的毒性指数为15.01,而无卤聚合物的毒性指数为0.79。火灾时,强烈弥漫的浓烟使受害者辩不清方向,因而延长了在火中滞留的时间。据有关资料介绍,透光率为70%时,人的裸视分辨物象的能力只有5m左右。而聚氯乙烯燃烧时所发出的烟的透光率在15%以下,即人在此浓烟的烟里,其裸视距离仅为2m左右。浓烟的另一个特征是随热气流传播异常迅速,速度可达20m/min以上。由此可见,采用无卤低烟电线电缆对于确保安全至关重要。--此段引自上海市工程建设DGJ08-93-2002J10166-2002《民用建筑电线电缆防火设计规程》。


  JULVYIXISHUYUYOUJILUHUAHEWU,RANERYOUJILUHUAHEWUBENSHENSHIYOUDUDE,ZAIRENTIZHONGQIANFUKEDAOZHIAIZHENG,QIEQISHENGWUJIANGJIELVHENDIZHISHIZAISHENGTAIXITONGZHONGCHANSHENGJILEI,BINGQIEYIXIEHUIFAXINGDEYOUJILUSUHUAHEWUDUICHOUYANGCENGYOUJIDADEPOHUAIZUOYONG,DUIHUANJINGHERENLEIJIANKANGZAOCHENGYANZHONGYINGXIANG。YINCIBEILIEWEIDUIRENLEIHEHUANJINGYOUHAIDEHUAXUEPIN,JINZHIHUOXIANLIANGSHIYONG,SHISHIJIEGEGUOZHONGDIANKONGZHIDEWURANWU。


  HUANBAOWULUDIYANZURANJUXITINGJUEYUANDIANXIANDIANLANDEFAZHANQIANJING


大乐透走势图带连线  WEILEJINLIANGBIMIANHEJIANSHAOHUOZAIJIHUOZAIZAOCHENGDEERCISHANGHAI,JINSHUIJITUANTONGGUOWULUDIYANZURANJISHUDEGEXINTUICHULEHUANBAOXINGWULUDIYANZURANJUXITINGJUEYUANDIANXIANDIANLAN。TAHENHAODIJIEJUELEJULVYIXIJUEYUANDIANXIANQUEDIAN,WULU、DIYAN、ZURANTONGSHIJUBEIYOULIANGDEDUANLUFUZAINENGLI,XIANGXINSUIZHERENMENDESHENGHUOTIAOJIANTIGAO,DUIJIANKANG,ANQUAN,HUANBAOYUELAIYUEZHONGSHI,HUANBAOXINGDIANXIANQUANMIANQUDAICHUANTONGJULVYIXIJUEYUANDIANXIANDERIZIJIANGZHIRIKEDAI。


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