ASTM F1939 热辐射防护性能的标准测试方法
日期:2012-02-08 13:43
inuous and constant radiant heat source. Air movement at the face of the specimen and around the calorimeter can affect the measured heat transferred due to forced convective heat losses. Minimizing the air movement around the specimen and test apparatus will aid in the repeatability of the results.
This test method maintains the specimen in a static, vertical position and does not involve movement, except that resulting from the exposure.
This test method specifies two standard sets of exposure
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