Using of powder Paint as an alternative for liquid paint has created a great evolution in the color quality. Liquid paints create environmental pollution because of possessing evaporative chemical solvents during drying, and they are harmful for human health. The powder paint entered to the market for the first time in 1962. Keeping of 100% solid state, in addition of environmental pollution prevention, has offered incomparable quality against liquid paints to the industry. Powder paints are now accounted for 15% of the market and compete with traditional colors liquid. Due to environmental laws on pollution and waste removal, replacement of liquid paints with powder paints become more important every day.