PE-HD - High-density polyethylene
| Processing Guide: | PE-HD - High-density polyethylene |
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| Extruder: | Single Screw Extruder with vacuum, grooved feeding section |
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| Screw Design: | Barrier Screw, 25-30 L/DTwo mixing sections: dispersive-mixing spiral-shear element, rhomboid distributive-mixing section |
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| Compression Ratio: | 3:1 |
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| Cylinder Temperatures: | : 180-205 C 356-401 F |
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| Melt Temperature: | 180-205 C 356-401 F |
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| Pre-Drying: | No, 3 hours at 105-110 C (221-230 F) for regrind |
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| Calibration: | |
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| Miscellaneous: | bimodal PE-HD needs motor with 10-15% higher torque and has higher melt pressure/melt temperature 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. |