ASTM D6701-2001 测定水蒸气经无纺布和塑料障碍物透过率 下载

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中文名称: 测定水蒸气经无纺布和塑料障碍物透过率的试验方法

英文名称:Standard Test Method for Determining Water Vapor Transmission Rates Through Nonwoven and Plastic Barriers

            
            
                          

中标分类：W59;G31	ICS分类：59.080.30;83.080.01
标准分类编号：AS	页数：6

            
            
                          

发布日期：	实施日期：2001-08-10	作废日期：2008-10-01
被替代标准：		代替标准：
引用标准：		采用标准：
起草单位：		归口单位：

            
            
                          

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范围：1.1 This test method covers a procedure for determining the rate of water vapor transmission ranging between 500 to 100,000 g/m 2day through nonwoven and plastic barrier materials. The method is applicable to films, barriers consisting of single or multilayer synthetic or natural polymers, nonwoven fabric, and nonwoven fabrics coated with films up to 3 mm (0.1 in.) in thickness.1.2 This test method provides for the determination of (1) water vapor transmission rate (WVTR), and (2) the permeance to water vapor.1.3 The values stated in metric units are to be regarded as the standard. The acceptable units for water vapor transmission rate are usually g/m2day.1.4  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 下载：

            
         
         




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