ASTM C 1134 部分浸入后刚性热绝缘材料水分保持标准试验方法
日期:2012-02-08 15:46
hicknesses can be compared equitably. For some specimens, the water intake and retention primarily may depend on the nominal wetted surface area available for water intake.
By reporting results on the basis of equal specimen volume, specimens can be compared equitably using units that commonly are selected to represent results of water intake testing (percent by volume). For some materials, water intake and retention primarily may depend on the volume of the specimen available for water intake.
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