BS476-4:1970 建筑材料不燃性测试
BS476-4: Fire tests on building materials and structures- Part 4: Non-combustibility test for materials
BS476-4: 建筑材料及结构的燃烧试验—第4部分：材料不燃性测试
样品放入测试容器中，热电偶插入样品中心并且连接测试设备.此外样品的热电偶也放进炉子内（炉内温度达到750℃，这样的状态继续整个测试-20分钟，在这个温度下记录下两个热电偶的相关数据
BS476-4建材不燃性测试评估方法:
温升(炉内的样品的中心温度上升) 必须小于 50°C
整个测试中的出现火焰燃烧的时间必须小于10秒
BS476 相关参考标准
BS476: Fire tests on building materials and structures
BS476: 建筑材料及构件防火测试
BS476-3:2004 external fire exposure roof test
BS476-3:2004 室外屋顶的燃烧测试
BS476-4:1970 Non-combustibility test for materials
BS476-4:1970 材料的不燃烧性测试
BS476-5:1979 Method of test of ignitability
BS476-5:1979 可燃性燃烧测试
BS476-6:1989 Method of test for propagation for materials
BS476-6:1989 制品火势蔓延的试验方法
BS476-7:1997 Surface spread of flame test for material
BS476-7:1997制品表面火势蔓延的试验和分级方法
BS476-11:1982 Method for assessing the heat emission from building materials
BS476-11:1982建筑材料热辐射性能测试方法
BS476-12:1991 Ignitability of products by direct flame impingement
BS476-12:1991产品直接火焰冲击的可燃性测试方法
BS476-15:1992 Method for measuring heat release of products-cone calorimeter
BS476-15:1992产品放热性测试-锥形量热仪
BS476-20:1987 Method for determination of the fire resistance of elements of construction (general principles)
BS476-20:1987建筑构件耐火的测定方法(一般原理)
BS476-21:1987 Methods for determination of the fire resistance of loadbearing elements of construction
BS476-21:1987 承重构件耐火的测定方法
BS476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements of construction
BS476-22:1987非承重建筑构件耐火性能测试方法
更多建材BS476测试，可以联系中国防火网
电话：400-666-7290
网址：www.firete.com
邮箱：info@firete.com
...