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[悬赏帖子 ] NBN 713 020 什么标准 FR2
P: 2019-10-20 00:24:03
兄弟，舍近求远了啊！ 最近如何 ？请哥吃饭吗？
System circuit (functional) integrity in accordance with NBN 713 020
The test specifies fire performance of building materials and products. The cables are installed in 3 x 3 testing room They are installed on cable trays and undergo the flame action up to 1000°C. The cables are then classified according to the maximum time for resistance to fire (denoted by Rf1, Rf 1 1/2, Rf2 in which the number represents the time duration).