Material Drying
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Control of appearance abnormality in PEOX cast film pharmaceutical films
Fenómeno del problema
During PEOX cast film 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 >0.3% exceeding the standard, and shear heat accumulation.
Solución
Strictly control the temperature within the recommended range, fully dry the material to moisture content <0.1%, and shorten the residence time.
Conclusión clave
PEOX processing requires precise control of the three elements of temperature, humidity, and residence time.
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