astm-g-154

Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials

The test method explains the operating procedures and basic principles for using water apparatus and fluorescent UV light proposed to reproduce various weathering effects that occur when products are exposed to sunlight, moisture, rain or dew, etc. This test method is meant especially for the procedures for obtaining, measuring, and controlling various conditions of exposure.