Plastic pigment is the pigment that can change the color of plastic materials. Inorganic pigment is a kind of metal oxide. Generally speaking, it is resistant to high temperature and does not migrate. It is suitable for almost all plastics, but it has low coloring power, incomplete color types and low cost performance. Some of them contain heavy metals. According to the characteristics of pigments, they are suitable for various plastics, mainly for PP, PE, PVC, PU, PS.