9.1 No calculations are required; the gloss value is read directly from the instrument.
4.1 Gloss is a measure of the surface's ability to reflect light. A high-gloss surface appears shiny and reflective, while a low-gloss surface appears dull or matte. 4.2 The measurement of specular gloss is useful for evaluating the appearance of painted surfaces. astm d523 pdf
10.1 The gloss value is reported as a numerical value. 9.1 No calculations are required
If you need to learn more about gloss measurement or need help with testing to ASTM standards, consult relevant industry professionals or resources. non-metallic painted surface.
7.1 The test specimen shall be a flat, non-metallic painted surface.