ASTM E861太阳能收集器用绝热材料评定标准规范
日期:2012-02-08 11:07
esent that the numerical values obtained in any way reflect the anticipated performance of the thermal insulation under actual fire conditions.
1. Scope
1.1 This practice sets forth a testing methodology for evaluating the properties of thermal insulation materials to be used in solar collectors with concentration ratios of less than 10. Tests are given herein to evaluate the pH, surface burning characteristics, moisture adsorption, water absorption, thermal resistance, linear shrinkage (or expa
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09/10 11:16