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| Processing Guide: | PC - Polycarbonat |
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| Extruder: |
Single Screw (profile, sheet, film ) without vacuum , plain feeding section with vacuum or pressure-relieved grooved feeding section (by increased screw pitch and channel depth) Twin Screw (compounding) |
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| Screw Design: |
Barrier Screw, 25 - 30 L/D Two mixing sections: dispersive-mixing spiral-shear element, rhomboid distributive-mixing section |
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| Compression Ratio: | 2,25:1 |
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| Cylinder Temperatures: |
270-300 C 518-572 F |
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| Melt Temperature: |
290-320 C 554-608 F |
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| Pre-Drying: | 2-4 hours at 100-120 C (212-248 F) |
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| Calibration: | |
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| Miscellaneous: |
should not succeed 400 C reduced wear by preheating of material at 120 C (248 F) or by heating of feeding section at 170 C (338 F) |
