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Comparison of different moisture vapor permeability test methods



透湿标准常用的有国标、欧标、美标、日标,这几个标准分别有吸湿法和蒸发法,但是这些标准所采用的测试条件都不一致,所以测得的结果也是不一致。那么,该如何选用呢? </p </p </p Generally, the standard of that region is adopted based on the region to which t…

透湿标准常用的有国标、欧标、美标、日标,这几个标准分别有吸湿法和蒸发法,但是这些标准所采用的测试条件都不一致,所以测得的结果也是不一致。那么,该如何选用呢?

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Generally, the standard of that region is adopted based on the region to which the product is to be sent. However, since the United States has always been in a leading position in this industry and the country’s market is also very large, the test data of this method is also relatively high. ASTM standards naturally becomes a commonly used method �现在大部分客户都采用该方法做检测� �后,再根据样品的特性选择吸湿法或蒸发法� �</p

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需要特别指出的是,ASTM E96 BW法有1995版和其他版,95版的测试条件不成熟,风速较其他标准相差较大,测试的数据相对较高,建议不采用。

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Comparison of moisture vapor permeability test methods in various countries</p

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Author: clsrich

 
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