NF C20-454：基本环境测试程序.测试方法.火灾特性.气体在高温分解过程中的分析和滴定或电工用材料的燃烧.异常热力或火灾辐照.管式炉法
NF C20-454：Basic environmental testing procedures. Test methods. Fire behaviour. Analysis and titrations of gases evolved during pyrolysis or combustion of materials used in electrotechnics. Exposure to abnormal heat or fire. Tube furnace method.
