Description
Koch Chemie Prewash B – Powerful alkaline precleaner for cars
Koch Chemie Prewash B is a highly concentrated, phosphate-free precleaner that loosens stubborn dirt, insect residues and traffic pollution from car paint and rims. This alkaline prewash is rich in complexing agents and surfactants, which ensures deep and effective cleaning – even for caked-on dirt.
The formula is HEDP-free and safe for all exterior surfaces such as plastic, chrome, glass and painted parts. Thanks to its powerful action, this product is ideal for pre-washing vehicles with a foam cannon or pressure sprayer. Perfect as the first step in your washing routine to prevent paint damage from dirt or insect enzymes.
How do you use Prewash B?
Apply the product diluted with a foam cannon or pressure sprayer
For bodywork: dilute 1:30 to 1:100
For rims: 1:4 to 1:20
Spray onto the surface, leave for a maximum of 1 minute and rinse thoroughly
