ASTM G7 is a standard practice that provides guidelines for operating fluorescent ultraviolet (UV) and xenon arc type environmental chambers. These chambers are used to simulate the effects of environmental factors such as UV radiation, temperature, and humidity on materials and products.
Many engineering schools and corporate libraries subscribe to . astm g7 pdf
It specifies how to build exposure racks (typically at a 45-degree angle facing the equator) to ensure uniform exposure to solar radiation. ASTM G7 is a standard practice that provides
While ASTM G7 measures real-world durability, it is often used alongside accelerated standards to validate their accuracy: Natural (G7) : Direct sun and rain; can take years to show results. Accelerated (e.g., G154, G155) astm g7 pdf