American Society for Testing and Materials (ASTM). Current edition approved July 1, 2005. Published August 2005. Originally approved in 1990. Last previous edition approved in 1999 as D 5067 - 99. 6 p. This specification establishes requirements for composition, physical properties, performance, and labeling of artists’ watercolor paints.
This specification covers pigments, vehicles, and additives. Requirements are included for pigment identification, lightfastness, and consistency.