PVC-P – Polyvinylchloride plasticised
| Processing Guide: | PVC-P – Polyvinylchloride plasticised |
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| Extruder: | Single screw with vacuum, grooved feeding section |
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| Screw Design: | 1) Two stage screw: 3:1 compression in feed zone (before vent) decompression at the vent 3:1 compression (with at least 3-4 flights at the end of the screw as a metering zone)2) Barrier Screw |
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| Compression Ratio: | 2,5-3,0:1 |
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| Cylinder Temperatures: | 140-190 C 284-374 F |
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| Melt Temperature: | 170-200 C 338-392 F |
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| Pre-Drying: | no |
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| Calibration: | |
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| Miscellaneous: | material should be “cheesy” at the vent |
| Note: This is meant as a general guide. Please consult your material and machinery representative. |