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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

11636 질문
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 length out of tolerance
A
Length out of tolerance is caused by unstable shrinkage; precise shrinkage compensation is key
Molds & Tooling POElength out of toleranceshrinkagemold compensationfull cooling
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 surface dense pitting
A
Pitting is caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post POEsurface pittingimpurity particlesmold repairraw material purity
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 outdoor weather resistance poor
A
POE outdoor requires UV+HALS+antioxidant triple protection
Material Analysis POE weather resistanceUV absorberHALSphoto-oxidationoutdoor application
Q
POE and PA blend incompatible
A
POE/PA incompatibility requires POE-g-MAH chemical bonding to solve
Extrusion & Post POE/PAincompatiblePOE-g-MAHreactive compatibilizationinterfacial chemical bonding
Q
POE toughened PP hardness greatly reduced
A
Toughening is accompanied by hardness drop, requiring filler compensation
Molding Process POE toughened PPhardness dropfiller compensationternary compositenucleating agent
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
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