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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

1506 Fragen
Q
POE surface tiger skin pattern
A
Tiger skin pattern is caused by unstable injection front; multi-stage injection and high mold temperature are key
Injection Molding POEtiger skin patterninjection speedmulti-stage injectionmold temperature control
Q
POE surface color difference obvious
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding POEcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
Q
POE surface orange peel
A
Orange peel is caused by rapid cooling and solidification; raising mold temperature and holding pressure are key
Injection Molding POEorange peelmold temperatureholding pressuresurface solidification
Q
POE internal stress concentration severe
A
Internal stress is caused by fast injection and uneven cooling; reducing speed, uniform cooling and annealing are key
Injection Molding POEinternal stressorientation stressannealing treatmentuniform cooling
Q
POE/glass fiber '2079851475616104452 floating fiber
A
POE floating fiber is caused by insufficient coating and poor interface; coupling agent and lowering speed are key
Injection Molding POE/glass fiberfloating fibercoupling agentPOE-g-MAHinjection speed
Q
POE toughened PP flowability greatly reduced
A
Flowability reduction can be balanced with low-viscosity grades and processing aids
Injection Molding POE tougheningflowabilityMFRprocessing aidviscosity matching
Q
POE '2079851475616104452 cold slug marks
A
Q
POE '2079851475616104452 flow marks
Q
POE '2079851475616104452 sink marks
Q
POE '2079851475616104452 multi-cavity filling imbalance
A
Multi-cavity filling imbalance is caused by runner design; balanced runners and mold flow analysis are key
Injection Molding POE injectionmulti-cavity balancerunner designgate sizemold flow analysis
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