Priming paint usually supplied as a one- or two-component system. The paint contains carefully balanced proportions of an inhibiting chromate pigment, phosphoric acid, and synthetic resin binder mixed in an alcohol solvent. On clean, light alloy, or ferrous surfaces, and on many nonferrous surfaces, such paints give excellent adhesion, partly due to chemical reaction with the substrate, and give a corrosion-inhibiting film that is a good basis for the application of subsequent coats of paint. This wash primer is applied at a low film thickness , typically about 0.5 mil (13 micrometers). Also known as: pretreatment primers, etch primers, and self-etch primers
