ASTM C 1058评价和报告绝热材料热性能用温度的选择操作标准
日期:2012-02-08 15:26
only one surface is fixed with the other exposed to fixed ambient temperature, use the mean temperatures of Table 1.
These conditions must be stated to describe accurately thermal properties such as thermal conductivity versus mean temperature for thermal insulating materials. Thermal insulations exhibiting inflection points due to the change of state of insulating gases (see Note 2), must be tested at sufficiently small temperature differences between (1) the hot and cold sides and (2) between
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09/12 17:35