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ASTM E2321外部绝缘和装饰系统水蒸气透过性测定用E96试验方法使用的标准规范
日期:2012-02-08 10:54
to which an EIFS allows water vapor to pass through it can affect the performance of an EIFS wall assembly.
A permeance value obtained under one set of test conditions does not indicate the value under a different set of conditions. For this reason, the test conditions selected are those that most closely approach the conditions of use for EIFS components and assemblies.
This standard should not be used alone as the sole means for evaluating the water vapor transmission characteristics of a gi

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