1.1 本规程规定了在标称环境条件下调节和测试软屏障包装和软屏障包装材料的标准温度和湿度。 1.2 有许多其他温度和湿度条件可适当用于测试最终使用条件（如冷冻、冷藏或滥用储存）。这些需要单独确定，不在本惯例的范围内。 1.3 本规程仅包括属于柔性屏障包装材料一般区域的材料。 1.4 以国际单位制或英寸-磅单位表示的数值应单独视为标准值。每个系统中规定的值可能不是精确的等效值；因此，每个系统应相互独立使用。将两个系统的值合并可能会导致不符合标准。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4.1 调节用于最小化温度和湿度波动或两者引起的测试结果变化。许多软包装材料或软包装材料的组件，特别是吸湿性材料，随着其暴露的温度和相对湿度（RH）的变化，其物理特性会发生变化。 4.2 许多包装材料在温度和湿度范围内的物理特性没有表现出有意义的变化，这通常是在办公室和一般实验室环境中发现的。因此，为了获得有用的测试结果，通常不需要对样品进行调节，并且在常规测试过程中经常被忽略。 4.3 在以下情况下应考虑调节: （a） 在实验室结果之间进行比较（例如，供应商和客户）， （b） 预计温度或湿度会对测试结果产生影响，或 （c） 测试结果中的潜在变化源必须最小化。 4.4 仅凭温度和湿度不足以完全确定储存条件。本规范中未定义的许多其他相关因素（如时间、光线和大气压力）。

1.1 This practice defines the standard temperature and humidity for conditioning and testing of flexible barrier packaging and flexible barrier packaging materials at nominally ambient conditions. 1.2 There are many other temperature and humidity conditions that may be appropriately used to test end use conditions (such as freezer, refrigerated, or abusive storage). These need to be individually established and are not in the scope of this practice. 1.3 Only those materials that fall under the general area of flexible barrier packaging materials are included in this practice. 1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 Conditioning is used to minimize the variation in test results that may result from fluctuations in temperature and humidity, or both. Many flexible packaging materials or components of flexible packaging materials, particularly materials that are hygroscopic, undergo changes in physical properties as the temperature and the relative humidity (RH) to which they are exposed are varied. 4.2 Many packaging materials do not exhibit a meaningful change in physical properties across the temperature and humidity range that is generally found in office and general laboratory settings. As a result, conditioning of samples is often not required in order to achieve useful test results and is often bypassed during routine testing. 4.3 Conditioning should be considered when (a) comparing between or among laboratory results (for example, supplier and customer), (b) temperature or humidity is anticipated to have an effect on the test outcomes, or (c) potential sources of variation in test results must be minimized. 4.4 Temperature and humidity alone are not sufficient to completely define a storage condition. Many other factors may be relevant (such as time, light, and atmospheric pressure) that are not defined in this specification.