Brush-on chemical to condition aluminum for paint, to improve paint adhesion and corrosion resistance. After precleaning with Alumiprep #33, apply full strength with brush or sponge. Rinse with water and surface is ready for painting. The visible coating leaves the surface with a golden coloration. One quart treats approximately 100 square feet. Meets Mil-C-5541B, Class 1A, Method B. Store above 40 degrees.