ASTM E970暴露于辐射热能源搁楼地板绝缘临界辐射通量标准试验方法
日期:2012-02-08 11:53
The test is intended to be suitable for regulatory statutes, specification acceptance, design purposes, or development and research.
The fundamental assumption inherent in the test is that critical radiant flux is one measure of the surface burning characteristics of exposed insulation on floors or between joists of attics.
The test is applicable to attic floor insulation specimens that follow or simulate accepted installation practice.
In this procedure, the specimens are subjected to one or m
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