This Yellowing Resistance Test Chamber (Yellowing Resistance Test Chamber) is specially designed for the evaluation of yellowing of materials. It simulates sunlight, ultraviolet radiation and high temperature environment, and can quickly and accurately measure the Yellowing Resistance (Yellowing Resistance) of samples. It combines the functions of UV Accelerated Aging Chamber (UV accelerated aging chamber) and ETS Environmental Chambers (environmental test chamber) in one, and is suitable for quality control and R&D verification in coatings, plastics, textiles, rubber and other industries.