Extrusion Processing Guide: PS – Polystyrene

 Processing Guide: PS – Polystyrene
 Extruder: Single Screw with vacuum, plain feeding section
pressure-relieved grooved feeding section (by increased screw pitch and channel depth)
 Screw Design: Barrier Screw, 25 – 30 L/D
 Compression Ratio: 2:1
 Cylinder Temperatures: 150-220°C
 Melt Temperature: 170-235°C
 Pre-Drying: no
Note: This is meant as a general guide. Please consult your material and machinery representative.

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