1.1 This test technique measures the degree of dispersion (also known as “fineness of grind”) of a pigment in a pigment-vehicle system, such as liquid coatings and their intermediates. It may also be used to evaluate the presence of particles based on a cleanliness (or texture) level.

1.2 The values expressed in SI units will be considered the standard. The values in parenthesis are provided for informational purposes only.

1.3 This standard does not claim to address all potential safety problems connected with its use. Prior to using this standard, the user is responsible for establishing adequate safety, health, and environmental procedures and determining the application of regulatory limits.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization as outlined in the World Trade Organization Technical Barriers to Trade (TBT) Committee’s Decision on Principles for the Development of International Standards, Guides, and Recommendations.