POWDER COATING SYSTEMS HAVE EITHER TRIBOELECTRIC OR CORONA CHARGING POWDER SPRAY GUNS WHICH HAVE BEEN IN USE FOR MANY YEARS COATING A WIDE VARIETY OF PARTS. THIS PAPER REVIEWS THE DIFFERENCES IN EACH TYPE OF SPRAY GUN. FINALLY, THE PAPER CONVEYS THESE DIFFERENCES TO THE STRENGTHS AND WEAKNESSES OF EACH TYPE OF GUN AS THEY RELATE TO THE FACTORS FOR SELECTING ONE TYPE OVER THE OTHER FOR A NEW POWDER SYSTEM.
