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
mean temperatures. The test temperature differences used depend on the vapor pressure versus temperature relationship of the gases involved and the ability of the test apparatus to provide accurate measurements of low temperature differences.
Note 2Certain closed-cell cellular plastic insulations are of this type.
1. Scope
1.1 This practice covers standard mean temperatures for reporting thermal properties of thermal insulations, products, and materials, and of related systems and components, bo
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