Koch Chemie Reactive Rust Remover (Rrr):

Koch-Chemie Rrr Reactive Rust Remover is powerful, PH-neutral cleaner made with reactive agents and extra-high performance detergents. Power away superficial rust, metal particles, burnt-in brake dust, and other non-organic pollutants with Rust Remover. The cleaner, once it has dissolved the dirt, turns violet in colour to signify this.

Recommendations for use:

Spray undiluted product onto surface and allow it to be absorbed for around three to six minutes. Finish off if required with a brush or sponge. Rinse thoroughly.

Areas of use:

• For painted surfaces, glass, and wheel rims
• Cars, commercial vehicles etc. 
  

Warnings:

• Check sensitive surfaces such as polished aluminium on an inconspicuous area for product compatibility.
• Do not use on hot surfaces. 
• Do not let dry.