Powder coating is a type of coating that is applied as a free-flowing, dry powder. The difference between and the usual liquid paint and a powder coating is the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension appearance. The powder may be a thermoplastic or a thermo set polymer. It is usually used to create a hard finish that is tougher than conventional paint. The coating is applied electro statically and is then cured under heat to allow it to flow and form a covering. Powder coating are used for coating of metals, like, aluminium panels, and car, automobile and white goods.