... PP,GPPS,HIPS,PS. Advantages:>>>>> a. The screw rod of Extuder Machine is adopted great diameter rate and good molding effects, the ... thickness of diaphragm is even,and flow speed is uniform; b ... PP,GPPS,HIPS,PS. Technique specifications:plasitc sheet extrusion machine Width of sheet710mmThickness of sheetPP(0.3-1.8) PS(0.2-1 ...