1.1 本指南涵盖了在规定涂层粉末粒度分布时参考所用技术的重要性。 1.2 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 本指南描述了在引用涂层粉末的粒度分布时，需要指定使用的测量技术。 4.2 本指南供粉末涂料制造商和过程控制和产品验收规范人员使用。

1.1 This guide covers the significance of referencing the techniques used whenever specifying the particle size distribution of a coating powder. 1.2 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 This guide describes the need to specify the measuring technique used whenever quoting the particle size distribution of a coating powder. 4.2 This guide is for use by manufacturers of coating powders and by specifiers for process control and product acceptance.