EPO-LUX 520 is a chemically resistant, aliphatic polyurethane coating for aviation hangar floors, clean rooms, white rooms, laboratories, printing plants, and many other areas difficult to keep clean. Using a brush, roller or low-pressure sprayer, use the coating for interior or exterior applications over a wide variety of surfaces. It forms a dense, tight polyurethane film that retains gloss and color. Chemline Inc. 314-664-2230. www.chemline.net .