Material Drying
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Control of appearance abnormality in PEOX coating pharmaceutical films
Fenómeno del problema
During PEOX coating production of pharmaceutical films, the problem of unstable appearance occurs.
Análisis de la causa
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.
Solución
Strictly control the temperature within the recommended range, fully dry the material to moisture content <0.1%, and reduce the screw speed.
Conclusión clave
PEOX processing requires precise control of the three elements of temperature, humidity, and residence time.
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