NFPA 270 在单一密闭房间使用圆锥型辐射热度量烟模糊度标准试验方法
日期:2012-02-10 14:50
the applicability of regulatory limitations prior to use. A.1.1.8 For limitations of this test method, see 1.3.3. A.1.1.10 This test method is known to involve hazardous materials, operations, and equipment as described in 5.2.2, 5.2.3, and 9.7.2.


NFPA 270 Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber provides fire test labs with a means of measuring smoke obscuration of essentially flat materials, products, or assemblies (i

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