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ASTM D5724-16(2021)
Standard Specification for Gouache Paints
1.1This specification establishes requirements for composition, physical properties, performance, and labeling of gouache paints.
1.2This specification covers pigments, vehicles, and additives. Requirements are included for pigment identification, lightfastness, and consistency.
1.3Table 1 lists some pigments meeting the lightfastness requirements in this specification. In order to identify other pigments that meet these requirements, instructions are given for test specimen preparation. Test methods for determining relative lightfastness are referenced.
1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5This 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.
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