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现行 ASTM D7855/D7855M-13(2021)
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Standard Test Method for Determination of Mold Growth on Coated Building Products Designed for Interior Applications Using an Environmental Chamber and Indirect Inoculation 用环境室和间接接种法测定室内用涂层建筑产品上霉菌生长的标准试验方法
发布日期: 2021-11-01
1.1 本试验方法包括环境室和操作条件,以在4周内评估使用间接接种法设计用于室内应用的涂层建筑产品对霉菌生长和微生物表面污损的相对抗性。该仪器的设计使任何相关方都可以轻松制造或获得。 1.2 该试验方法可用于评估涂层建筑产品对加速霉菌生长的相对阻力。评级并不意味着涂层建筑产品在室内环境中安装期间没有真菌生长的特定时间段。 1.3 本试验方法不适用于公共健康声明的评估。 1.4 本试验方法旨在加速评估室内用涂层建筑产品上的霉菌生长。 该方法不适用于评估设计用于外部应用的表面或无涂层表面。尚未验证使用本试验方法评估外部性能,也未确定此类使用的限制。 1.5 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。 1.6 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.7 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====== 5.1 用于确定内部涂层建筑产品抗霉菌生长能力的加速试验有助于评估在有利于真菌生长的条件下在室内环境中使用的相对性能。 5.2 静态或环境室提供受控的实验室微环境条件。这些腔室不是为了复制房间条件,在解释结果时必须小心。 静态室不能替代动态室或现场研究。
1.1 This test method covers an environmental chamber and the conditions of operation to evaluate in a 4-week period the relative resistance to mold growth and microbial surface defacement on coated building products designed for interior application using an indirect inoculation method. The apparatus is designed so it can be easily built or obtained by any interested party. 1.2 This test method can be used to evaluate the comparative resistance of coated building products to accelerated mold growth. Ratings do not imply a specific time period that the coated building product will be free of fungal growth during installation in an interior environment. 1.3 This test method is not intended for use in the evaluation of public health claims. 1.4 The test method is intended for the accelerated evaluation of mold growth on a coated building product designed for interior use. This method is not intended for evaluation of surfaces designed for exterior applications or uncoated surfaces. Use of this test method for evaluating exterior performance has not been validated, nor have the limitations for such use been determined. 1.5 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. 1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 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 ====== 5.1 An accelerated test for determining the resistance of interior coated building products to mold growth is useful in estimating the relative performance for use in interior environments under conditions favorable to fungal growth. 5.2 Static or environmental chambers provide controlled laboratory micro-environment conditions. These chambers are not intended to duplicate room conditions, and care must be taken when interpreting the results. Static chambers are not a substitute for dynamic chambers or field studies.
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归口单位: D01.28
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