NFPA 268 用辐射热源测量外墙着火性的标准试验方法
日期:2012-02-10 14:48
NFPA 268 Standard Test Method for Determining Ignitibility of Exterior Wall Assemblies Using a Radiant Heat Energy Source
NFPA 268 用辐射热源测量外墙着火性的标准试验方法
1.1 Scope.
1.1.1 This fire test response standard describes a method for determining the propensity of ignition of exterior wall assemblies from exposure to 12.5 kW/m2 (1.10 Btu/ft2-sec) radiant heat in the presence of a pilot ignition source.
1.1.2 This test method evaluates the propensity of ignition of an exterior wall asse
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