Promotes the adhesion of Raptor coating to various surfaces such as plastic, aluminum, galvanized metal, zinc, painted surfaces and fiberglass. Excellent adhesion to the treated object and leaves a smooth surface. Can be painted over with most water- or solvent-based paints. Color: clear. Shake the aerosol for at least 2 minutes before use. Apply 1-2 coats at 10 minute intervals (20 °C) from a distance of approximately 25 cm. Allow to dry for 20 minutes (20 °C) before applying any solvent-based primer, paint or varnish. 450ml. 351g.