ASTM F1939 热辐射防护性能的标准测试方法
日期:2012-02-08 13:43
conditions: 21 kW/m2 [0.5 cal/cm2s] and 84 kW/m2 [2.0 cal/cm2s]. Either can be used.
5.4.1 If a different set of exposure conditions is used, it is likely that different results will be obtained.
5.4.2 The optional use of other conditions representative of the expected hazard, in addition to the standard set of exposure conditions, is permitted. However, the exposure conditions used must be reported with the results along with a determination of the exposure energy level stability.
This test m
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