polymeric dye. colorant for plastics. pigment in the granules.

background blue chemical chemistry color colorant colorful coloring dye extrusion factory flask grain granulate granule granules green heap industrial industry injection isolated lab laboratory material molding multicolored particle pellets pet petrochemical pigment plastic production raw recycling regranulate research resin science technology texture thermoplastic white yellow yethylene ymer ymeric ypropylene ystyrene