https://www.nist.gov/publications/use-integrating-spheres-uniform-sources-accelerated-uv-weathering-advanced-materials
Use of Integrating Spheres as Uniform Sources for Accelerated UV Weathering of Advanced Materials |...
Feb 19, 2017 - The primary method for obtaining laboratory weathering data for a wide range of commercial polymer products including coatings, textiles, elastomers, plastics a