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Processing Guide: |
PVC-U – Polyvinylchloride unplasticised |
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Extruder: |
Twin screw extruder with vacuum, plain feeding section
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Screw Design: |
Three stage PVC screw with or without mixing section(s), 25 – 30 L/D
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Compression Ratio: |
3:1 |
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Cylinder Temperatures: |
180-195°C
356-383°F
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Melt Temperature: |
190-210°C
374-410°F
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Pre-Drying: |
no |
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Calibration: |
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Miscellaneous: |
venting zone: material should be “cheesy”, but not fused and wrapped around screw
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Note: This is meant as a general guide. Please consult your material and machinery representative.
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