Color and Gloss match are very critical to APC products. Since APC parts and products purchased from various suppliers around the globe are assembled together and used side-by¬side, precise Color and Gloss match are very critical. Color and Gloss measurements to be done by both instruments, and visual using an APC approved standard “Q” panel. Instruments are used to confirm visual results and for greater accuracy. The Color measuring Instrument must be accurately calibrated per ISO 9001 requirements. Visual Color inspection must be done by varying the light sources, viewing distance, and viewing angle. A Color may look different in different lighting and at different viewing angles and distances. Incoming batches of powder should be tested to confirm that the color and gloss are correct prior to use in production.