Ding Bao analysis of the difference between Xenon lamp and UV aging test box
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Dingbao mainly compares the methods for testing weatherability and light stability:
The best way to test is to rely on the need for testing, and each method can be very effective. The appropriate test equipment should be selected based on the product or material being tested, the final application conditions, the degradation mode under consideration, and the budget.
Xenon lamp aging test box and ultraviolet aging test box are the most widely used accelerated aging testing equipment. The testing principles of these two testing equipment are completely different. The xenon lamp aging chamber simulates all the spectrum of sunlight, including ultraviolet (UV), visible, and infrared (IR). The xenon lamp spectrum essentially matches the spectrum of sunlight in the range of 295 nm to 800 nm. The xenon lamp aging chamber is used to test many products that are sensitive to the long wavelength, visible light, and infrared rays of ultraviolet light.
Ultraviolet aging chambers cannot simulate the full spectrum of sunlight. Its principle is that for those durable materials that are exposed outdoors, the short wavelength band of 300-400 nm is the main cause of aging damage. It can be seen that in the short-wave region of ultraviolet rays, which is the lowest band from 365 nm to the sunlight, the ultraviolet aging test box can well simulate sunlight, however, it will be powerless for longer wavelengths.
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