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成都线缆批发教你识别阻燃线缆和耐火线缆

来源:http://okboyi.com/news45964.html  更新时间:2018-12-6 0:00:00

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成都线缆批发指出耐火电缆是指在火焰燃烧情况下能够保持一定时间安全运行的电缆。
一般人很容易混淆阻燃电缆和耐火电缆的概念,虽然阻燃电缆有许多较适用于化工企业的优点,如低卤、低烟 阻燃等,但在一般情况下,耐火电缆可以取代阻燃电缆,而阻燃电缆不能取代耐火电缆,阻燃电缆,是指在规定试验条件下,试样被燃烧,在撤去试验火源后,火焰的蔓延仅在限定范围内,残焰或残灼在限定时间内能自行熄灭的电缆 。



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