14 abril 2015
Scientists have established a method to simulate in the lab the soiling and weathering of roofing materials, reproducing in only a few days the solar reflectance of roofing products naturally aged for three years. Now this protocol has been approved by ASTM International, a widely referenced standards body, as a standard practice for the industry.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/i5HqWGfgI9U/150414144305.htm
