Description Koch Chemie Vorreiniger B – Highly concentrated pre-cleaner for thorough pre-wash Koch Chemie Vorreiniger B is a powerful, phosphate-free, alkaline pre-cleaner with strong foaming. Specially designed for the pre-wash of cars and trucks, this pre-cleaner effortlessly loosens stubborn dirt such as insect remains, bird droppings and rim residues. Thanks to the combination of high-quality complexing agents and surfactants, even the most stubborn dirt is effectively tackled. Why choose Koch Chemie Vorreiniger B? Highly concentrated, foaming pre-cleaner Suitable for car washes, high-pressure cleaners and foam cannons Effortlessly removes copolymer wax and stubborn dirt Protects sensitive materials such as anodised aluminium thanks to corrosion inhibitors Compatible with biological wastewater treatment plants How to use Dilute depending on application: Pre-wash: 1:30 to 1:50 Wheel cleaning: 1:3 to 1:10 Copolymer wax: 1:5 to 1:10 DIY high-pressure washing: 1:300 Foam the vehicle completely and leave to work briefly. Rinse thoroughly with a high-pressure cleaner.
