Powder coating is a
type of dry coating, which is applied as a free-flowing,
dry 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 powder may be a thermoplastic
or a thermoset polymer. It is usually used to create a hard
finish that is tougher than conventional paint. Powder coating
is mainly used for coating of metals, such as "white goods",
aluminium extrusions, and automobile and motorcycle parts.
Newer technologies allow other materials, such as MDF (medium-density
fibreboard), to be powder coated using different methods.
The Powder Coating Institute states:
"Powder coating gives consumers, businesses, and industry
one of the most economical, longest-lasting, and most color-durable
quality finishes available. Powder coated surfaces are more
resistant to chipping, scratching, fading, and wearing than
other finishes. Powder coating is also highly protective
of our environment."
Advantages of Powder Coating over Paint
- 3 to 4 Times the Thickness of Wet Baked-on Paints!
- Will not 'Peel Off' like Baked-on Enamel Finishes!
- Environmentally Friendly
- Extremely Durable to the Elements
- Resistance to most Chemicals and Solvents
- Very Good Impact Resistance
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