Designed for treating metal surfaces to remove corrosion or rust. Protects the treated surface from further atmospheric and climatic effects. Passivates the metal surface by converting corrosion products into a solid coating that can serve as a base for painting. Application method: Shake well before use. Clean the metal surface from loose rust. Apply the product to the surface with a brush, roller, or spray method at a temperature not lower than +10°C on a dry degreased surface, in two layers with an intermediate drying time of about 30 minutes. The surface can be painted after the complete drying time (not less than 30 minutes at a temperature of +20°C). Temperature range of application: from +10°C to +30°C. Volume: 500 ml. Composition: Demineralized water ≥30%, inorganic acid 15-30%, functional additives ≤5%.