Green Star GS Koch-Chemie is a super-concentrated alkaline (12.5pH) general-purpose cleaner. It is free from phosphates and solvents, offering high effectiveness in removing dirt and oils. It is suitable for interior and exterior cleaning of cars, as well as for cleaning engines, workshop floors, and industrial areas. With the addition of special corrosion inhibitors, it provides protection to components made from sensitive materials such as anodized aluminum.