Powder Coating Supervisor Interview Questions and Answers

The full pretreatment process involves cleaning, rinsing, and chemical treatment of the surface to prepare it for powder coating.

• The surface is first cleaned to remove any dirt, oil, or grease using a degreaser or alkaline cleaner.

• Next, the surface is rinsed with water to remove any remaining cleaning solution.

• The surface is then chemically treated to improve adhesion and corrosion resistance. This can involve a phosphate or chromate conversion coating.

• After the chemical trea...read more