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NFPA 272 使用氧气消耗流量计测定装修家具组件或合成材料及床垫的热和可见热释放速率试验标准方法
日期:2012-02-10 14:52
er.
1.1.2 In this test method, a horizontally oriented specimen shall undergo radiant thermal exposure using an external igniter.
1.1.3 Radiant exposure shall be maintained at a constant rate of 35 kW/m2 to determine time to sustained flaming, rate of heat release per unit area (kW/m2), specific extinction area, and effective heat of combustion (MJ/kg).
1.1.4 The rate of heat release shall be determined by measurement of oxygen consumption as determined by the level of oxygen concentration an

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