Metal Pretreatment Wash Primer is a two-component, zinc-chromate pigmented, polyvinyl butyral coating. It serves as an excellent bond coat to many surfaces including aluminum, galvanized metal, lead, brass, magnesium, fiberglass and ferrous metals. May also be used on blasted clean steel surfaces with some vinyl systems. This metal pretreatment chemical is available in two transparent colors; green and yellow. Meets specifications MIL-C-8514C.