几(Ji)种(Zhong)常(Chang)见(Jian)的(De)阻(Zu)燃(Ran)电(Dian)缆(Lan)
1.阻(Zu)燃(Ran)电(Dian)缆(Lan)
阻(Zu)燃(Ran)电(Dian)缆(Lan)的(De)特(Te)点(Dian)是(Shi)延(Yan)迟(Chi)火(Huo)焰(Yan)沿(Yan)电(Dian)缆(Lan)的(De)传(Chuan)播(Bo),(?)以(Yi)避(Bi)免(Mian)火(Huo)势(Shi)的(De)蔓(Man)延(Yan)。(?)由(You)于(Yu)成(Cheng)本(Ben)低(Di),(?)是(Shi)一(Yi)种(Zhong)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)防(Fang)火(Huo)的(De)电(Dian)缆(Lan)品(Pin)种(Zhong)。(?)无(Wu)论(Lun)是(Shi)单(Dan)根(Gen)电(Dian)缆(Lan)还(Huan)是(Shi)成(Cheng)束(Shu)敷(Fu)设(She),(?)燃(Ran)烧(Shao)电(Dian)缆(Lan)时(Shi)火(Huo)焰(Yan)蔓(Man)延(Yan)都(Du)可(Ke)以(Yi)控(Kong)制(Zhi)在(Zai)一(Yi)定(Ding)范(Fan)围(Wei)内(Nei),(?)从(Cong)而(?)提(Ti)高(Gao)电(Dian)缆(Lan)线(Xian)路(Lu)的(De)防(Fang)火(Huo)水(Shui)平(Ping)。(?)
2.无(Wu)卤(Lu)低(Di)烟(Yan)刚(Gang)性(Xing)阻(Zu)燃(Ran)电(Dian)缆(Lan)
无(Wu)卤(Lu)低(Di)烟(Yan)电(Dian)缆(Lan)具(Ju)有(You)优(You)异(Yi)的(De)阻(Zu)燃(Ran)性(Xing)能(Neng),(?)组(Zu)成(Cheng)电(Dian)缆(Lan)的(De)材(Cai)料(Liao)不(Bu)含(Han)卤(Lu)素(Su),(?)因(Yin)此(Ci)燃(Ran)烧(Shao)时(Shi)腐(Fu)蚀(Shi)性(Xing)和(He)毒(Du)性(Xing)低(Di),(?)产(Chan)生(Sheng)的(De)烟(Yan)雾(Wu)少(Shao),(?)减(Jian)少(Shao)了(Liao)对(Dui)人(Ren)体(Ti)、(?)仪(Yi)器(Qi)设(She)备(Bei)的(De)伤(Shang)害(Hai),(?)有(You)利(Li)于(Yu)火(Huo)灾(Zai)时(Shi)及(Ji)时(Shi)救(Jiu)援(Yuan)。(?)无(Wu)卤(Lu)低(Di)烟(Yan)阻(Zu)燃(Ran)电(Dian)缆(Lan)虽(Sui)然(Ran)具(Ju)有(You)优(You)异(Yi)的(De)阻(Zu)燃(Ran)性(Xing)、(?)耐(Nai)腐(Fu)蚀(Shi)性(Xing)和(He)低(Di)烟(Yan)浓(Nong)度(Du),(?)但(Dan)其(Qi)机(Ji)械(Xie)和(He)电(Dian)气(Qi)性(Xing)能(Neng)略(Lue)差(Cha)于(Yu)普(Pu)通(Tong)电(Dian)缆(Lan)。(?)
3.低(Di)卤(Lu)低(Di)烟(Yan)阻(Zu)燃(Ran)电(Dian)缆(Lan)
低(Di)卤(Lu)低(Di)烟(Yan)阻(Zu)燃(Ran)电(Dian)缆(Lan)的(De)氯(Lu)化(Hua)氢(Qing)排(Pai)放(Fang)量(Liang)和(He)烟(Yan)气(Qi)浓(Nong)度(Du)指(Zhi)标(Biao)介(Jie)于(Yu)无(Wu)卤(Lu)低(Di)烟(Yan)阻(Zu)燃(Ran)电(Dian)缆(Lan)之(Zhi)间(Jian)。(?)低(Di)卤(Lu)电(Dian)缆(Lan)的(De)材(Cai)料(Liao)也(Ye)含(Han)有(You)卤(Lu)素(Su),(?)但(Dan)含(Han)量(Liang)相(Xiang)对(Dui)较(Jiao)低(Di)。(?)低(Di)卤(Lu)低(Di)烟(Yan)阻(Zu)燃(Ran)电(Dian)缆(Lan)燃(Ran)烧(Shao)时(Shi)释(Shi)放(Fang)的(De)烟(Yan)雾(Wu)和(He)氯(Lu)化(Hua)氢(Qing)较(Jiao)少(Shao)。(?)这(Zhe)种(Zhong)阻(Zu)燃(Ran)电(Dian)缆(Lan)通(Tong)常(Chang)由(You)聚(Ju)氯(Lu)乙(Yi)烯(Xi)制(Zhi)成(Cheng),(?)然(Ran)后(Hou)用(Yong)阻(Zu)燃(Ran)剂(Ji)、(?)盐(Yan)酸(Suan)吸(Xi)收(Shou)剂(Ji)和(He)抑(Yi)烟(Yan)剂(Ji)进(Jin)行(Xing)处(Chu)理(Li)。(?)这(Zhe)种(Zhong)阻(Zu)燃(Ran)材(Cai)料(Liao)显(Xian)著(Zhu)提(Ti)高(Gao)了(Liao)普(Pu)通(Tong)阻(Zu)燃(Ran)PVC材(Cai)料(Liao)的(De)燃(Ran)烧(Shao)性(Xing)能(Neng)。(?)
4.耐(Nai)火(Huo)电(Dian)缆(Lan)
耐(Nai)火(Huo)电(Dian)缆(Lan)能(Neng)在(Zai)火(Huo)焰(Yan)燃(Ran)烧(Shao)的(De)情(Qing)况(Kuang)下(Xia)保(Bao)持(Chi)正(Zheng)常(Chang)运(Yun)行(Xing)时(Shi)间(Jian)。(?)耐(Nai)火(Huo)阻(Zu)燃(Ran)电(Dian)缆(Lan)在(Zai)燃(Ran)烧(Shao)过(Guo)程(Cheng)中(Zhong)产(Chan)生(Sheng)的(De)酸(Suan)性(Xing)气(Qi)体(Ti)和(He)烟(Yan)雾(Wu)较(Jiao)少(Shao),(?)在(Zai)燃(Ran)烧(Shao)过(Guo)程(Cheng)中(Zhong)有(You)喷(Pen)水(Shui)和(He)冲(Chong)击(Ji)的(De)情(Qing)况(Kuang)下(Xia),(?)电(Dian)缆(Lan)仍(Reng)能(Neng)保(Bao)持(Chi)线(Xian)路(Lu)的(De)完(Wan)整(Zheng)运(Yun)行(Xing)。(?)