Extrusion Processing Guide: PP – Polypropylene 8845 by editor 4 years ago In Extrusion - pipe/profile Processing Guide: PP – Polypropylene Extruder: Single Screw with vacuum, grooved feeding section Screw Design: Barrier Screw, 25 – 30 L/D Compression Ratio: 3:1 Cylinder Temperatures: 200-250°C 392-482°F Melt Temperature: 230-300°C 446-572°F Pre-Drying: no Calibration: Miscellaneous: Note: This is meant as a general guide. Please consult your material and machinery representative. – Back to PROCESSING GUIDE overview –