Processing Machinery
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Poor EAA plasticization
Fenómeno del problema
Unmelted particles appearing in EAA products, incomplete plasticization
Análisis de la causa
Insufficient screw compression ratio <2.5, low plasticizing pressure; screw speed too low, insufficient shear; processing temperature too low
Solución
1) Select a screw with compression ratio >3; 2) Increase screw speed to increase shear; 3) Increase processing temperature by 5-10°C
Conclusión clave
Poor plasticization is caused by improper screw design; optimizing the screw and raising temperature is key
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