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《建筑材料燃燒釋放熱量試驗方法》 國家標準修訂發(fā)布
發(fā)布日期：2016-09-19 10:46:07瀏覽量：915
國家標準化管理委員會發(fā)布2014年第11號公告，批準發(fā)布推薦性國家標準GB/T 14403-2014《建筑材料燃燒釋放熱量試驗方法》。該標準為修訂版本，將于2014年10月1日起實施。
國家標準化管理委員會發(fā)布2014年第11號公告，批準發(fā)布推薦性國家標準GB/T 14403-2014《建筑材料燃燒釋放熱量試驗方法》。該標準為修訂版本，將于2014年10月1日起實施。
GB/T 14403-2014標準規(guī)定了建筑材料燃燒釋放熱量試驗的試驗裝置、試樣制備、試驗條件、試驗程序、試驗結(jié)果的表述和試驗報告。該標準代替GB/T 14403-1993《建筑材料燃燒釋放熱量試驗方法》，較之1993版，主要技術變化如下：
一、 修改了規(guī)范性引用文件;
二、 增加了試驗前24小時燃燒室內(nèi)溫度條件;
三、 修改了試驗進行5分鐘后燃燒室的壓力參數(shù);
四、 修改了試樣狀態(tài)調(diào)節(jié)至恒定質(zhì)量的判定條件;
五、 增加了在試樣安裝過程中試樣背面背襯硅酸鈣板的規(guī)定。
該標準由公安部四川消防研究所起草，全國消防標準化技術委員會防火材料分技術委員會（SAC/TC 113/SC7）歸口。該標準為試驗方法標準，可被消防法規(guī)或強制性標準所引用，也可應用于防火建筑材料的研發(fā)。
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