polyester resin good quality for powder coating, 93:7,70:30,60:40 75:25 50:50 95:5 also epoxy resin powder firm polyester resin for powder coating Properties:It is a carboxyl saturated polyester resin, to be used together with epoxy resin (at the rate of 50:50) to produce hybrid powder coating, giving high gloss, good flow effect, wonderful mechanical properties, pretty decorative effects, ...