Download Safety Data Sheet The basics Goof Off Rust Stain Remover is specially formulated to dissolve rust and iron stains on contact. The benefits There's no rubbing or scrubbing needed! No mess spray gel sticks to rust stain for maximum cleaning power. The uses Cleans tile, stainless steel, chrome, porcelain, fiberglass glass, concrete, brick and more. Safe for indoor surfaces when used as directed. The bottom line No harsh fumes. Biodegradable.