... certification 4. human center design PE,PP PS ABS sheet extrusion machine1.produce PE/PP/ABS sheet2.turn-key project3. CE ... of product is used in many kinds of plastic sheets (PP, PE, PS, ABS etc.)The extruder: The special designed screw ... thickness of the sheets.Roll calendar: according to the material properties, there are three styles calendars: horizontal, inclined and vertical. The ...