... .Same function, times lower pricesPowder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference ... under heat to allow it to flow and form a "skin." The powder may be a or a . It is usually used to create a hard finish ... for coating of , such as , aluminium extrusions, and and parts. Newer technologies allow other materials, such as MDF (), to be powder coated ...