Product Short Description: This product is used to soften and dissolve rust from machinery, equipment, sheet iron, carpets, bridges, pipes, concrete, metal parts, automobiles. Product Description: Concentrated Rust Remover with detergent action helps to remove grease and oils which may have accumulated on the metal surface. Phosphatizing offers a very conducive surface for metals which are to be painted following the removal of rust. An excellent prep treatment and binder for metal surfaces to be painted. Maybe water diluted for lighter work.