NFPA 253 使用辐射源测试地板覆盖材料的临界辐射通量的方法
日期:2012-02-10 14:36
concrete structural floor, bonded to a simulated structural floor, or otherwise mounted in a typical and representative way.
1-1.2 This fire test response standard measures the critical radiant flux at flameout. It provides a basis for estimating one aspect of fire exposure behavior for floor covering systems. The imposed radiant flux simulates the thermal radiation levels likely to impinge on the floors of a building whose upper surfaces are heated by flames or hot gases, or both, from a fully
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