... PVC, PET, PE,PP,ABS sheet plastic sheet extrusion production line( PVC, PET , PP,PE,PS,ABS) One.Introduction The plastic sheet or board extrusion ... plastic sheet or board. TWO. composition It is made up of screw extruder, mould , three- roll calender , colling suporting frame, tractor ,cutting machine ... width and thickness of extruding sheet or board by changing different machine and mould Three . model ...