Spray cleaning solution on a sponge to wipe down the area around the chipped microwave surface. Removing grease and grime helps the paint adhere to the surface.
Shake the paint bottle to mix the ingredients, which may separate over time.
Unscrew the cap on the bottle to pull out the applicator attached to the bottom of the cap.
Paint the chipped area until covered and let dry. For a smooth repair, add coats of paint to build up the layers lost from a deep gouge.