What Are the Advantages of Powder Coated Finishes?

Friday, November 17 2017 1:55 PM
By Website Administrator

Powder coating is an eco-friendly way of fighting corrosion and providing a durable, great appearing coating. Unlike liquid painting, powder coating is free of VOC out-gassing, making it much easier on the environment compared to liquid paints. Here are some additional benefits of powder coated finishes.

Consistent Results

Powder coatings are supplied ready for immediate use without additional pre-mixing, stirring, solvent additions, or viscosity adjustments. Besides the obvious savings in labor, finish quality variations are minimized.

Film Thickness

A major quality advantage with powder coated parts is the ability to achieve the optimum film
thickness in a single pass without problems of drips, sags, or runs. The definition of what constitutes the optimum film thickness varies considerably with the design of the part as well as its intended end use.

Edge Coverage

Powders can be formulated to provide a wide range of melt viscosities and can be applied over a wide range of film thickness. Therefore, powder can provide better edge coverage protection than can be achieved in single-coat liquid coating applications.

Mechanical Properties

The general purpose powder coating formulations that are widely used have a long established
reputation for providing an excellent balance of mechanical properties such as impact resistance,
hardness, and abrasion resistance. Films having extra hardness, greater chemical resistance, improved exterior gloss retention, and superior flexibility are all attainable.

Corrosion Resistance

The combination of proper metal pretreatment and powder coatings can provide outstanding
corrosion resistance. Part of the reputation that powder has achieved for good corrosion resistance is related to powder's ability to consistently deliver high film builds and good edge coverage. However, equally important are the facts that powders provide high crosslink density, good resistance to hydrolysis, low moisture and oxygen transmission rates, and films free from traces of any residual solvents.

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