礼堂椅布料防火指标有哪些检测步骤?

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礼堂椅布料防火指标有哪些检测步骤?
所属分类:• 行业新闻发布日期:2019-12-15 22:54:43浏览量:245作者:

上次讲到因为礼堂椅一般都是大批放置在礼堂内,而礼堂椅所用的材料多为木材和布料,天干物燥的容易引起火灾,为此,对于礼堂椅的防火要求一定要严格,防止安全事故的发生。

那么,如何知道礼堂椅的防火要求到底达不达标呢?厂家又是如何检测达标与不达标呢?今日,名世椅业的小编就选择了关于纺织品的防火检测流程跟大家讲一下。

首先,选择需要检测的礼堂椅的布料(礼堂椅的布料已经做过防火处理),剪取需要的量,采用织物阻燃性能测试仪(垂直法)来进行检测。将试验的温度在0~30摄氏度之间有规律选取等区间的温度,再选取相对湿度30%~80%的大气(也是有规律等区间的选取)。

接通电源后,把布料放入试验箱中,关上门,开始试验,将点火器调节到一定的高度和温度,观看续燃和阴燃计时器,再根据相关的数据和标准调整火焰的点燃时间和持续时间,多次实验后,观看布料的变化得到布料的耐燃性,一定要多次实验,得到平均数据,方为正确的防火性能。

得出来的数据再与相关规定和标准做比较,就可以知道礼堂椅布料的阻燃性能是否达标,如若不达标,就需要更换。