Color master batch, in general, is composed of three parts: colorant, carrier and dispersing agent. After mixing by the high-speed mixing machine, then via crushing and extrusion, it is drawn to the grain. In the plastic processing of color master batch, it has the obvious advantages such as high concentration, good dispersibility, and cleanness. Rainbow high concentration color master batch products include black master batch, pearl master batch, silver master batch, white master batch, and fire prevention series, etc.