Material Drying
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Control of appearance abnormality in PEOX coating pharmaceutical films
Fenómeno do problema
During PEOX coating production of pharmaceutical films, the problem of unstable appearance occurs.
Análise das causas
Mainly due to the processing temperature deviating from the window +70-90°C, moisture content >0.1% exceeding the standard, and excessively long residence time.
Solução
Strictly control the temperature within the recommended range, fully dry the material to moisture content <0.1%, and reduce the screw speed.
Conclusão principal
PEOX processing requires precise control of the three elements of temperature, humidity, and residence time.
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