ASTM E 284 - 05 Standard Terminology of Appearance

American Society for Testing and Materials (ASTM). Current edition approved June 15, 2005. Published June 2005. Originally approved in 1966. Last previous edition approved in 2005 as E 284 – 05. 22 p. This terminology standard defines terms used in the description of appearance, including but not limited to color, gloss, opacity, scattering, texture, and visibility of both materials (ordinary, fluorescent, retroreflective) and light sources (including visual display units).