目前市场,不管是建筑产品还是轨道车辆,经常使用英标BS476-7标准其证明其防火阻燃性能。BS 476-7:1997+AC:2014防火阻燃等级共划分为四个等级:class1, class2, class3, class4。南京睿督公司分享BS476-7测试具体内容,咨询电话:025-8658 3475。
BS 476-7:1997+AC:2014 Fire tests on building materials and structures-Part 7 method of test to determine the classification of the surface spread of flame of products.
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