Koch-Chemie PreWash Express - Touchless Alkaline Pre-Wash

Koch Chemie Prewash Express is a highly effective non-contact active foam specially designed for fast and gentle prewashing of cars and trucks. Thanks to its strong foaming power and optimal formulation, it reliably removes dried dirt, dust, grease and road residues without the need for mechanical scrubbing. The product is highly concentrated, easy to dilute and allows effective and safe washing of even larger vehicles. The use of Prewash Express will greatly speed up and facilitate the entire cleaning process. Dilution options Depending on the dirt accumulation: precleaning: 1:30 to 1:100. Rim cleaning: 1:4 to 1:20. Apply over whole surface and after max. 1 min rinse off thoroughly with a high-pressure cleaner. pH value: 13.3 VDA conform to class B: reaction time max. 1 min, max. application concentration 1:100