Among industrial finishes, powder coating ranks as one of the most popular. This decorative and protective finish differs from other coating methods in that a powder is used instead of wet paint. The powder, which is comprised of pigments and resins, is sprayed onto the part being finished. The powder clings to the surfaces through an electrostatic charge applied to the product being coated. Then, the parts are cured in an oven, fusing the powder into a durable coating. There are many benefits to powder coating over other finishing methods, which we will discuss below.
Why Choose Powder Coating?
When finishing parts in an industrial or commercial capacity, many people wonder which finish is best. Some of that depends on the surfaces to be coated, but powder coating offers incredible versatility for many types of parts. This finishing method can be found in a wide range of applications, from the automotive and motorcycle industries to sporting goods, outdoor products, and camping equipment, just to name a few. Powder coating is:
Durable – there are many different formulas of powder coating, including polyester resins, epoxies, and hybrids of the two resins. In general, a powder coated surface is much more durable than a painted surface. Powder coating resists corrosion from oils, chemicals, and water, giving the coated products the ability to withstand environmental conditions for years.
Versatile – powder coating is great for any product that may have irregularly-shaped or sized surfaces that painted coatings may have difficulty adhering to. There are many textures available as well, including gloss, semi-gloss, and flat coatings. Some of these coatings may be used to add gripping texture to an item or can be used to hide any manufacturing flaws or imperfections.
Colorful – there is a wide range of colors available in powder coating. One of the most popular colors is some form of black, typically a semi-gloss, which hides fingerprints while providing a durable, corrosion-resistant finish. Hundreds of stock colors can be sourced, and custom tones and shades can be mixed by a qualified powder coating company, such as to match trade dress. Colors can include metallics, too.
Environmentally-friendly – unlike many wet painted coating applications, which use solvents and release volatile organic compounds (VOCs), powder coating does not use any solvents. The powder is applied in a carefully-controlled manner, and excess powder is reclaimed before it can escape into the environment.
Cost-Effective – by eliminating harmful VOCs, powder coating ultimately saves money because the process does not require expensive filtration and air pollution-mitigation equipment. This is one of the primary reasons the powder coating industry is expanding so rapidly around the world. The process can coat multiple items at once, saving time and costs. And, because it is so durable, powder coating reduces the need for repeat coating, which saves money in the long run.
Powder coating has many benefits, and more and more companies are taking advantage of this coating method than ever before. The colorful, durable, and corrosion-resistant finish is designed to last the test of time.
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