Material Drying
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Control of strength abnormality in PEOX cast film water-soluble bags
Fenómeno del problema
During PEOX cast film production of water-soluble bags, the problem of unstable strength 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 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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