Van Sickle Self-Etching Primer Primer increases resistance to rust, corrosion and stains. It is specifically formulated to provide outstanding adhesion to a variety of surfaces including cold and hot rolled steel, stainless, aluminum, galvanized, fiberglass and most plastic surfaces. It can be used as a primer or ?tie-coat? that can be re-coated in 1 hour with a variety of finish coats.