您好！很高兴您能看到这条信息，我是北欧检测技术服务有限公司程先生手机13265771783***1873576842下面是一些关于BS476认证的简单介绍，欢迎观阅！针对您产品的详情认证信息，请联系我。BS476-20/BS476-20建筑材料耐火测试——相关参考标准BS476:Firetestsonbuildingmaterialsandstructures.BS476:建筑材料及构件防火测试BS476-3:2004externalfireexposurerooftestBS476-3:2004室外屋顶的燃烧测试BS476-4:1970Non-combustibilitytestformaterialsBS476-4:1970材料的不燃烧性测试BS476-5:1979MethodoftestofignitabilityBS476-5:1979可燃性燃烧测试BS476-6:1989MethodoftestforpropagationformaterialsBS476-6:1989制品火势蔓延的试验方法BS476-7:1997SurfacespreadofflametestformaterialBS476-7:1997制品表面火势蔓延的试验和分级方法BS476-11:1982MethodforassessingtheheatemissionfrombuildingmaterialsBS476-11:1982建筑材料热辐射性能测试方法BS476-12:1991IgnitabilityofproductsbydirectflameimpingementBS476-12:1991产品直接火焰冲击的可燃性测试方法BS476-15:1992Methodformeasuringheatreleaseofproducts-conecalorimeterBS476-15:1992产品放热性测试-锥形量热仪BS476-20:1987Methodfordeterminationofthefireresistanceofelementsofc***truction(generalprinciples)BS476-20:1987建筑构件耐火的测定方法(一般原理)BS476-21:1987Methodsfordeterminationofthefireresistanceofloadbearingelementsofc***tructionBS476-21:1987承重构件耐火的测定方法BS476-22:1987Methodsfordeterminationofthefireresistanceofnon-loadbearingelementsofc***tructionBS476-22:1987非承重建筑构件耐火性能测试方法)