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On tyre sidewalls a bit more
On paint after parking next to railway lines
That layout lets you reach even the trickiest areas on the car with no hassle - ideal for a full wash
but it changes the physical behaviour of the surface completely: the contact area between a water droplet and the mirror shrinks so far that drops sit almost spherically on top and roll off at the slightest nudge — a gust of air on the move or a vibration is enough
Material compatibility and use
koch chemie finish spray exterior fse quick detailer kalk ex Vorreiniger On tyre sidewalls a bitDissolving limescale chemically with the Koch Chemie FSE What is the Koch Chemie FSE? A quick detailer with an acidic Kalk EX formula (pH 2. 5) that dissolves limescale, water spots and mineral residue on paint, glass and plastic in a single step while sealing at the same time with a polymer wax. Not suitable for vehicles with an active ceramic coating or fresh wax protection. Koch Chemie FSE (Finish Spray Exterior) is a quick detailer from Koch