ASTM D4587-23 Standard Practice for Fluorescent Ultraviolet Condensation Exposure of Coatings and Related Coatings provides a standard method for testing the weathering resistance of coatings and related coatings through Fluorescent Ultraviolet exposure. This test simulates the aging process of coatings under ultraviolet radiation and condensation moisture in the natural environment, which can effectively evaluate the performance and Stability of coatings in harsh environment conditions. The standard is widely used in Coatings quality control and product development to help manufacturers evaluate Coatings durability, color Stability and adhesion. Through this implementation procedure, coatings manufacturers can obtain scientifically reliable performance data to optimize product formulations and processes.