Colored Roofing Granules With Increased Solar Heat Reflectance, Solar Heat-Reflective Shingles, and Process For Producing Same

作者: Husnu M. Kalkanoglu , Ming Liang Shiao , Keith C. Hong

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摘要: Solar-reflective roofing granules having deep-tone colors are formed by coating base mineral particles with a composition including an infrared-reflective pigment. Color is provided colored infrared pigment, light-interference platelet or metal oxide.