ASTM E2257墙壁和天花板材料和组件的房屋着火试验的标准试验方法
日期:2012-02-08 12:03
y for the fire test exposure conditions described in this procedure.
1. Scope
1.1 This is a fire-test-response standard.
1.2 This test method is intended to evaluate, under specified fire-exposure conditions, the contribution to room fire growth provided by wall or ceiling materials and assemblies, or both. The method is not intended to evaluate the fire endurance of assemblies or fires originating in the wall assembly. The method provides a means to evaluate the effectiveness of thermal barrier
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