ISO 5658-4: 燃烧测试－火焰的延伸－第4部分：垂直样件垂直火焰的中等规模测试
日期:2010-03-23 00:00
suitable for comparing the performance of materials, composites or assemblies, which are used as the exposed surfaces of walls or other vertically orientated products in construction applications. Some products with profiled surfaces can also be tested with a modified procedure representative of the end-use conditions of the product. Upward flame spread is not limited to surfaces which are vertical. It is recognized that an enhanced form of upward, wind-aided flame spread can also occur on surf
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