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.

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.