Powder coating is a type of coating that 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
household appliances, aluminium
extrusions,
drum hardware, and
automobile and
bicycle parts. Newer technologies allow other materials, such as MDF (
medium-density fibreboard), to be powder coated using different methods.
https://en.wikipedia.org/wiki/Powder_coating
It is commonly used on automotive wheels and engine parts due to its heat tolerance and durability.
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