PE-LD - Low-density polyethylene

Processing Guide: PE-LD - Low-density polyethylene
Extruder: Single Screw Extruder with vacuum, grooved feeding section
Screw Design: Barrier Screw, 25-30 L/DTwo mixing sections:
dispersive-mixing spiral-shear element, rhomboid distributive-mixing section

Compression Ratio: 3,5:1
Cylinder Temperatures: 170-200 C
338-392 F
Melt Temperature: 180-210 C
356-410 F
Pre-Drying: No,
3 hours at 80 C (176 F) for regrind
Calibration:
Miscellaneous: slip additivated PE-LD as blend partner gives 10-20% higher specific output
Larger screw diameter : continuously two channels (improved conveying in feeding section)
Note: This is meant as a general guide. Please consult your material and machinery representative.