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：407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。

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