ADHERETO adhesion promotors are designed to create a bond between a substrate and a coating. Apply ADHERETO before applying topcoats to ensure proper adhesion of automotive paint to: plastics, brass, aluminum, metal, chrome, or a variety of other surfaces. Can also be used for between coat adhesion, when one paint has dried or for difficult sanding situations. ADHERETO is easy to use and dries in minutes. Ready to spray right out of can NO REDUCTIONS. Clear in color. AP-01 is designed to use when topcoating Polypropylene or similiar products