Diamon-Fusion International (DFI) is the world's leader in surface protective coatings for glass, granite, porcelain, ceramic tiles, quartz, and most silica-based surfaces. This is an overview video on Diamon-Fusion International (DFI) and its patented hydrophobic coating, Diamon-Fusion. br br Visit for more information on DFI protective surface coatings, restorationcleaning, and maintenance products or contact us at info@diamonfusion.com, + 1 888 344 4DFI (Toll-free in USA), or + 1 949 388 8000.