Processing Machinery
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MP Poor Plasticization
Fenómeno do problema
Unmelted particles appear in MP products with incomplete plasticization
Análise das causas
Screw compression ratio insufficient <2.5 and plasticization pressure low; screw rotation speed too low with insufficient shear; processing temperature too low
Solução
1) Select a screw with compression ratio >3; 2) Increase screw rotation speed to increase shear; 3) Increase processing temperature by 5-10°C
Conclusão principal
Poor plasticization is caused by improper screw design; optimizing the screw and increasing temperature are key
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