ABSTRACT
Electrostatic powder coating has been widely utilized for surface fi nishing in many industrial applications. 1,2 Recently, the coating has been making inroads in the automotive industry. Since the coating process does not use solvents, it is becoming increasingly attractive in light of possible new clean air standards for volatile organic compounds. The coating system consists of powder coating guns, powder feeding machine, powder coating booth, and powder collecting machine. It is important to combine effectively the equipment for various objectives.
