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BS476-7火焰传播测试用于评估Class 1/Class 2/Class 3/Class 4,BS476-7火焰传播测试还应用建材Class 0级测试。
BS476-7: 建筑材料阻燃防火测试–表面燃烧等级测定
LED显示屏产品“突然起火”的事故已发生多起, LED显示屏应用范围日益广泛,但其安全隐患问题也逐渐显露。但在国际上各国早已意识到这一国际性问题,对户外传媒建筑(主要是LED显示屏产品)作了相关规定。香港规定,凡是在香港安装的LED显示屏项目需通过英国BS476建筑材料阻燃防火测试。
BS476-7: Fire Tests on Building materials and structures – Method of test to determine the classification of the surface spread of flame of products
LED防火测试-BS476-7简介:
BS476-7: 建筑材料阻燃防火测试 – 表面燃烧等级测定用于测定样品表面侧向延伸并基于速度和延伸长度确定燃烧等级。BS 476-7主要用于测定墙面和吊顶暴露表面的火焰延伸。
BS476-7: Fire Tests on Building materials and structures – Method of test to determine the classification of the surface spread of flame of products scope:This Part of BS 476 specifies a method of test for measuring the lateral spread of flame along the surface of a specimen of a product orientated in the vertical position under opposed flow conditi***, and a classification system based on the rate and extent of the spread of flame.