PE55 and PE58 are GSB and Qualicoat-tested, TGIC-free series of thermosetting coating powders based on polyester resin in matt, semi-gloss and glossy quality for exterior applications. The products combine a decorative appearance with good resistance and excellent overall performance properties. The coating powders in this series have good resistance to light and yellowing and are specially designed for use in the architectural sector, where color and gloss retention play a major role.