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BS 476-7: Fire tests on building materials and structures-Part 7 method of test to determine the classification of the surface spread of flame of products.
BS 476-7: 对建筑材料和结构的着火试验-第7部分：产品火焰表面延伸等级确定的测试方法。

bs 476 part 7测试方法

许多建筑材料及轨道交通用材料,都需要按照BS 476 part 6标准进行火焰蔓延指数测试, 具体的BS476-6测试请联系中国防火网。

BS 476 part 6火焰蔓延指数测试
BS 476-6: Fire tests on building materials and structures- Part 6: Method of test for fire propagation for products.
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