Processing Machinery
2 Aufrufe
PVC Odor
Problembeschreibung
PVC products have a distinct pungent odor
Ursachenanalyse
Degradation produces HCl odor or plasticizer odor, and both the formulation and the process may be the source; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
Check temperature and residence to rule out degradation; for soft material check the plasticizer system; strengthen ventilation; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes, so as to locate effective measures
Wichtigste Erkenntnis
For odor, check degradation first and then the formulation; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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