Material Drying
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LDPE Pharmaceutical Bag
Problembeschreibung
LDPE bags for pharmaceuticals have insufficient barrier properties
Ursachenanalyse
LDPE has average moisture and oxygen barrier, and the shelf life of pharmaceuticals is affected; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Lösung
Use composite structures for high-requirement pharmaceuticals; perform barrier verification according to shelf life; after adjustment, take continuous 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 the effective measure
Wichtigste Erkenntnis
Pharmaceutical bags are designed for barrier according to shelf life; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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