The gloss meter is a gloss measurementinstrument designed and manufactured in accordance with the international standard ISO-2813 and thenational standard GB/T9754. ts technical parameters simultaneousy comply with the provisions of ASTMD2457,ASTM D523, and GB/T13891,GB/7706, and GB/8807 standards.All performance indicators meet the requirements of the fist and second-levelworking machines in the nationalmetrological verification regulation JG696-2002 "Mirror Gloss Meter and Gloss Plate. The gloss value of this instrument can be traced back to the national gloss standard of Shanghai Institute of Measurement and Testing Technology (SIMT)