AP01 is designed for use when top coating Polypropylene, TPO (Thermoplastic Polypropylene), Polypropylene/elastomer blends, other plastics, aluminum, steel, brass and other metals. House of Kolor Adhereto® creates a bond between a substrate and a coating, or between a dried coating and a fresh (wet) one. This product is also useful when sanding situations are difficult. Adhereto® is easy to use and dries in minutes. Ready to spray right out of the can (no reduction required). Product is clear in color.