... masterbatch 25kgs/package Color masterbatch IntroducIt's raw materials of plastic, it's the granule shape, be used for ... usage/ Grade: As plastic additives; filler /stuffing; blow film, blow molding, injection molding, spreads mold,drawbench, bag molding, slip casting, spin dyeing, foaming ... 1%--3%, it can increase color.(2) Filler batch /stuffing: without color: CaCO3 content: 75% Use rate: 20%--40%, ...