1.Good maintainance of color intensity and brightness. 2.Good heat resistance and migration resistance property. 3.Improved coloring strength, 10% higher than conventional pigments.4.Pigment content varies between 50% to 80%, the rests are dispersants.5.Fully dispersed with an average particle diameter of less than 300nm. 6.Stable primary particle sizes. 7.Environmently- friendly with no dust and no pollution. 8.Easy to use and good compatibility with polymeric resins.