In the past everything was paint based and used chemicals. Now, powder coating is becoming more commonly used, as no chemicals are involved in the process. All types of metal need to have some type of protective finish to avoid corrosion. Powder coating is environmentally safe and a superior alternative to sludge producing solvent based wet paints. Read on to learn about the green technology known as powder coating.
Powder coating is a type of metal coating used in sheet metal fabrication that is applied as a free-flowing, dry powder. The main difference between powder coating and a conventional liquid paint is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. Instead, the powder coating is usually applied electrostatically and then is cured under heat to allow it to flow and form a "skin." Metal powder coatings can produce much thicker coatings than conventional liquid coatings, without running or sagging, and with a hard finish that is tougher than conventional paint.
Powder coating is considered to be "greener" than wet paint because it emits zero or near zero volatile organic compounds (VOC). It also produces less hazardous waste than conventional liquid coatings, and powder coating overspray can be recycled, thus making it possible to achieve nearly 100% use of the coating. Additionally, operating costs and capital equipment for powder coating are generally less than for conventional liquid coatings.
Metal powder coating has become extremely advanced, with the development of a wide range of resin bases, colors and textures to suit every environment. Powder coated items typically have fewer differences in appearance between vertically coated surfaces and horizontally coated surfaces than liquid coated items, and a wide range of specialty effects is easily accomplished with powder coating which would be impossible to achieve with other coating processes. Whether it is lawn furniture in the Florida sun or the suspension of a heavy duty truck in Alaska, powder can be produced to best fit the specific need.
In addition to the different resin bases, powder coating is available in numerous gloss levels as well as different textures. You can choose from the following: smooth, textures, hammertones, veins, wrinkles and peels. From old world to contemporary, the custom powder coating you want is most likely available. With so many different options, you can definitely find the right powder coating solution for your application.
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http://www.NobleIndustries.com/ is one of the largest and most diverse metal fabrication companies in the Midwest. Founded in 1969, the Indianapolis metal fabrication company has been providing cutting edge sheet metal fabrication and manufacturing solutions for over 40 years, including laser cutting custom metal parts.
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