Koch Chemie Protector Wax PW Is a spray on and rinse off product. Simply dilute the product into a spray bottle or foam cannon at a ratio of 30ml/1L. Rinse a clean vehicle down, and while wet foam the solution on or apply with a spray bottle. Allow to dwell for a few minutes, then fully rinse from all surfaces.
Products like this make fast work of adding a sealant to the paintwork in less time. Also applicable to wheels, tires, suspension parts, convertible tops, whatever. Because of this process, you can expect a reasonable amount of durability as it contains a silicon-based organic polymer.
In the German description, it highlights the 'Lotus Effect'. This reference is another way of saying that areas of application will have increased self-cleaning properties because water on the surface carries away dirt.