ASTM E1995用单独密闭室圆锥形辐射源和水平导向试样测量烟雾不透明度的试验方法
日期:2012-02-08 12:00
t method provides a means of measuring smoke obscuration resulting from subjecting essentially flat materials, products, or assemblies (including surface finishes), not exceeding 25 mm [1 in.] in thickness, in a horizontal orientation, exposed to specified levels of thermal irradiance, from a conical heater, in the presence of a pilot flame, in a single closed chamber. Optional testing modes exclude the pilot flame.
1.3 The principal fire-test-response characteristic obtained from this test meth
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