Vehicles' paint surface is easily adhered by contaminants by air pollution and industrial and environmental issues. In this way, it causes different kind of particles like tars, painting, industrial rust, worms, bird drops.etc adhered to car surface and causes oxidation and scratches.

Clay bar has been used for years by automobile manufacturers and body / panel shops for removing contamination that cannot be removed using conventional cleaning methods. Claying your paintwork is usually recommended prior to polishing or waxing