ultramarineblueTheultramarineblueisthemostcommonlyusedblueearthpigment.High-GradeproductionAdvantages:1.Thebetterstrictcontrolofchromaticcoordinates2.Thebetterstrictcontrolofparticledistribution3.ThebatterScatter4.VeryGoodHeatResistance5.ExcellentFastnesstoLight6.SafetyandInnocuous7.NoMigratory)