Powder Coating is a type of coating that is applied as a free-flowing, dry powder. This process has been around for nearly 50 years. It was developed around a formulation for a finely ground "plastic" powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. The coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a "skin".
The process of powder coating is done by first cleaning the part to a dry, bare metal surface, a special electrostatic spray gun with 30,000 to 90,000 volts is used to apply a thin layer of "plastic" powder onto the surface of the part to be coated. The powder is held onto the part by static electricity. Kind of like dust on a TV. Once coated, the part is oven baked at approximately 400° F. The oven melts the dry powder to a gel state and then further curing causes this gel to harden into a very tough "plastic" coating. This flowing and fusing of the coating in the final curing stage creates a continuous coating which is very hard and has no porosity.
Powder coating offers a superior finish combined with an excellent durability that will extend the life of the part for about the same price as professionally applied paint. Powder coating does not fade and is very chip and crack resistant, flexible and can be applied to all metals. It makes it particularly beneficial for all parts exposed to harsher conditions such as moisture and chemicals.
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Take a look at our advantages
Powder coatings emit zero or near zero volatile organic compounds (VOC's).
Powder coatings can produce much thicker coatings than conventional liquid without running or sagging.
Powder coating overspray can be recycled therefore it is possible to achieve nearly 100% use of the coating.
Powder coating production lines produce less hazardous waste than conventional liquid coatings.
A wide range of specialty effects is easily accomplished which would be impossible to achieve with other coating processess.
