Of course. A UV accelerated weathering tester can simulate different weather conditions by controlling various parameters. While it cannot replicate every aspect of natural weather conditions, it can simulate specific [...]
UV radiation The intensity and wavelength of UV radiation can be controlled to simulate different levels of exposure. Generally, either UVA-340 or UVB-313 lamps are utilized. Temperature The temperature inside [...]
The duration of a UV accelerated weathering test can vary depending on several factors, including the specific test method, the material being tested, and the desired level of accelerated weathering. Generally, accelerated weathering tests aim to simulate the effects of long-term outdoor exposure in a shorter period of time. Some common test methods, such as ASTM G154 and ISO 4892, specify a specific test duration, typically ranging from a few hundred to several thousand hours. For example, a typical test duration for many polymers and coatings can be around 1000-2000 hours. However, it's important to note that the test duration may not directly correspond to the actual time it takes for the material to degrade in real-world outdoor conditions. The purpose of accelerated weathering testing is to accelerate the degradation process and provide a relative comparison between different materials or formulations. To determine the appropriate test duration, it's essential to consider the intended application and the expected service life of the material. It can help in selecting a test duration that provides meaningful and relevant results. It's also worth mentioning that accelerated weathering tests can be conducted in cycles, involving alternating exposure to UV radiation, moisture, and temperature variations. These cycles can further simulate the complex outdoor weathering conditions and provide a more comprehensive evaluation of material performance. In summary, the duration of a UV accelerated weathering test can vary depending on the specific test method and material being tested, ranging from a few hundred to several thousand hours. The test duration should be selected based on the intended application and the desired level of accelerated weathering simulation.
Polymers and Plastics This includes polyethylene, polypropylene, PVC, acrylics, polycarbonate, and other plastic formulations. The tester helps assess the resistance of these materials to UV degradation, color fading, embrittlement, cracking, [...]
The moment you receive the machine, our after-sales staff will be there for you at any time. In addition to providing detailed operation manuals to guide you on how to [...]
It is ready to use when you receive the goods. This machine will be installed, debugged and calibrated well before it leaves our factory. When you first use our machine, [...]
Competitive Prices We are a professional Chinese manufacturer and supplier of testing equipment. As everyone knows, China is known as the world's factory because it has [...]
The ordering steps are not complicated. The overview is as follows: 1) Please leave your inquiry directly in “Send an inquiry” on this page or find the contact information on [...]
Both UVA-340 and UVB-313 emit UV lights, but they have different light emission spectrums. The luminescence spectrum of the UVA-340 tube ranges from 315nm to 400nm, which is mainly focused [...]
1. Temperature Control Temperature control is very important for ultraviolet light aging test. When irradiated by ultraviolet light, temperature does not participate in the photochemical reaction of the test material, [...]