Koch Chemie Pps Paint Preparation Spray 500mlKoch Chemie Pps Paint Preparation Spray is an alcohol based trigger spray bottle for using to prepare the surface of paint to be treated. It is basically a degreaser to remove any remaining residue of oil, wax, or polish that has stuck to the painted surface. PPS can be used safely on the painted surface when preparing to apply any paint protection products. To use: simply spray on and wipe off with a clean soft microfibre cloth.