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Problem & Solution

Practical answers to common plastic material challenges

1506 questions
Q
POE injection molded product ejector pin whitening
Q
POE and color masterbatch mixing color uneven
A
Color masterbatch carrier matching and full dispersion are the key to color uniformity
Injection Molding POE coloringcolor masterbatchcarrier compatibilitypigment dispersioncolor streaks
Q
POE injection molded product oil spots
A
Q
POE '2079851475616104452 weld line strength low
Q
POE '2079851475616104452 flow length ratio insufficient
A
Insufficient flow length ratio is caused by high POE viscosity; high temperature, high pressure and large gate are key
Injection Molding POE injectionflow length ratiomelt viscosityinjection temperatureflow aid
Q
POE '2079851475616104452 severe flash
A
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fitting are key
Injection Molding POE injectionflashclamping forceparting lineinjection pressure
Q
POE '2079851475616104452 warpage deformation
A
Warpage is caused by shrinkage difference and orientation stress; uniform mold temperature and holding pressure are key
Injection Molding POE injectionwarpageshrinkageholding pressureannealing treatment
Q
POE '2079851475616104452 gate freezing too early
A
Premature gate freezing is caused by small gate and low temperature; enlarging the gate and raising temperature are the fundamental measures
Injection Molding POE injectiongate freezingholding pressure transmissiongate sizemold temperature
Q
POE '2079851475616104452 mold venting burnt
Q
POE '2079851475616104452 demolding difficulty
A
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