NFPA 258 固体材料发烟量测试方法
日期:2012-02-10 14:40
NFPA 258 Recommended Practice for Determining Smoke Generation of Solid Materials
NFPA 258 固体材料发烟量测试方法
1.1.1* This test method provides a procedure for assessing the smoke obscuration caused by the burning of solid materials and assemblies in thicknesses up to and including 1 in. (25.4 mm) where subjected to specific test conditions in a closed chamber. The test is used as a research and development tool only and should not be used as a basis for determining ratings for building codes
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