abstract:A glossmeter (also gloss meter) is an instrument which is used to measure gloss of materials such as paint, plastics and paper. Gloss is a measure of the proportion of light that has a specular reflection from the surface, it is defined by the ASTM as "angular selectivity of reflectance, involving surface-reflected light, responsible for the degree to which reflected highlights or images of objects may be seen as superimposed on a surface".