... KW ThisCrusher machine can grind all the plastic material or metal scraps.crumbs into powder ,finished mesh size can adjustable as ... millstone to achieved grinding effect.Usage: Mainly used for waste metal,raw iron ,steel,zinc or other metals,polymer plastic, PVC ... plastic, PVC, PS, PE,gear material, steel scrap, shell, crushed corn cob and other materials.Feature:ü High-speed ...