This standard specifies the technical requirements and test methods for mica pearlescent pigments, including the physical and chemical properties of pigments, Particle size distribution, Optical Properties and application standards. Mica pearlescent pigments are widely used in Coatings, Cosmetics and Plastics with unique Gloss effects and color performance. This standard provides guidance for the production, quality control and application of mica pearlescent pigments to ensure product performance stability and conformity.