... dispersion - UPR(Unsaturated Polyester Resin) seriesOur promise based on 12 years of pigment manufacturer history:Non toxic, environment ... as base. This type is widelyused in unsaturated resin FRP material, including tempered glass, ornament,marble, SMC and BMC ... colored chalk,watercolour,inkpad,rubber,make up,paint,etc. Technology Data Sheet - UPR(Unsaturated Polyester Resin) pigment chip-Red 4, ...