Processing Machinery
5 görüntüleme
Poor EVOH Plasticization
Sorun Belirtisi
EVOH products show unmelted particles, incomplete plasticization
Neden Analizi
Screw compression ratio insufficient <2.5, plasticizing pressure low; screw speed too low, shear insufficient; processing temperature too low
Çözüm
1) Select screw with compression ratio >3; 2) Increase screw speed to increase shear; 3) Increase processing temperature by 5-10°C
Temel Çıkarım
Poor plasticization is caused by improper screw design; optimizing screw and raising temperature are key
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