ASTM E1995烟雾不透明度测试
日期:2020-03-30 14:40
a fire-test-response standard.This test method provides a means of measuring smokeobscuration resulting from subjecting essentially flat materials,products, or assemblies (including surface finishes), not ex- ceeding 25 mm [1 in. in thickness, in a horizontal orientation, exposed to specified levels of thermal irradiance, from aconical heater, in the presence of a pilot flame, in a singleclosed chamber. Optional testing modes exclude the pilotflame.The principal fire-test-response characteristi
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10/29 23:53