Product details:

Spray, brush, or dip then rinse or wipe clean with a damp cloth to accept primer, paint or coating. The proprietary formulation penetrates into every void of a metal surface and dissolves rust/oxidation through chemical action. Protects bare metal for up to 12 months. Safe, fast, and effective on rusted or new metal, galvanized, aluminum, stainless steel, cast iron, chrome, brass, and more. 5 gallon pail. Intended for Industrial/Commercial Use.