The use of masterbatch will not cause environmental pollution, can reduce the overall waste of the pigment, reduce dust, sewage and other pollutants emissions, protect the health of employees, in line with national industrial policy guidance and green industry trends. Masterbatch dispersion is good, and was colored resin according to a certain ratio of feeding, reducing the pigment waste. Masterbatch will be pigment "lock" in the carrier resin, add and mix the process without pigment dust. In the modern standardized management of plastic products workshop, masterbatch has been basically replaced by powdery colorants.