Processing Machinery
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DSTDP poor plasticization
Fenómeno del problema
DSTDP product shows unmelted particles, plasticization incomplete
Análisis de la causa
Screw compression ratio insufficient <2.5, plasticizing pressure low; screw speed on the low side, shear insufficient; processing temperature on the low side
Solución
1) Select screw with compression ratio >3; 2) increase screw speed to increase shear; 3) raise processing temperature 5-10°C
Conclusión clave
Poor plasticization is caused by improper screw design; optimizing the screw and raising temperature are key
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