What Is a Powder Coating Machine?

A powder coating machine is a device that applies protective coatings on metal parts similar in finish to conventional liquid paint. The main difference between the two processes is the method by which the coating is applied. In the case of powder coating, a stream of positively charged powder is applied to a grounded or negatively charged metal surface. This electrostatic method creates a better coating to metal bond than is possible with conventional paints as well as offering several other benefits not possible with liquid coatings. There are several different powder coating machine types in general use with the most common being the corona and tribo spray gun variants.
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