Phosphoric acid-based (<25%) highly effective rust remover. With its help, you can easily and quickly remove rust. Soak the workpiece in the solution and wait until all the rust has disappeared. For small parts, soak in a container. For large items, dip a paper towel in the rust remover. Then place it on the part to be cleaned and cover with foil to limit the evaporation of the liquid. The rust removal time depends on the degree of corrosion of the part. After processing, wash the parts with water and dry. Safe for copper, brass and plastic parts. The product has a pH similar to skin and is fully biodegradable and reusable. Use at temperatures above +18°C.