It is suitable for auto interiors, plastic,painting,coating, electric meter, textile, printing and dyeing, dyestuff, decorative materials, wooden floor, safe hats, leather, petrochemicals,ect. ,perform artificial aging test under simulated sunlight and light fastness, weather resistance color fastness, light and perspiration composite color fastness test, ect. Though setting the conditions of radiation energy, temperature, humidity, spray, alternating day and night in various climates, and other conditions in the test chamber, the simulated natural environment required by the standard is provided to test the performance changes of materials such as fading, aging, softening, hardening, and cracking.