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
esponse of materials, products, or assemblies to heat and flame under controlled conditions and shall not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, the results of the test shall be permitted to be used as elements of a fire hazard assessment or a fire risk assessment that takes into account all factors that are pertinent to an assessment of the fire hazard or fire risk of a particular end use.
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