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Continued Dimensional Change of High-Density Polyethylene Injection-Molded Products After Demolding

Injection Molding post-shrinkagecrystallinitydemolding temperatureannealing treatmentdimensional stability

Cracking/microcracks appearing on the surface of polypropylene injection molded products

Injection Molding crackingmicrocracksinternal stressmolecular orientationdemolding draft

Uneven color/color difference appearing on polypropylene injection molded products

Injection Molding color differencecolor masterbatch dispersiontemperature stabilityback pressurescrew mixing

Underfilling/short shot appearing on polypropylene injection molded products

Injection Molding short shotunderfillinginjection pressuremelt flowabilitymold venting

Flow marks appearing on the surface of polypropylene injection molded products

Injection Molding flow marksinjection speedmold temperaturemelt frontmulti-stage injection

Uneven gloss on the surface of polypropylene injection molded products

Injection Molding uneven glossmold polishingtemperature uniformityinjection speedcooling system

Weld lines appearing on polypropylene injection molded products

Injection Molding weld linesmelt meetinginjection speedmold temperaturegate design

Warpage deformation of polypropylene injection molded products

Injection Molding warpage deformationcrystallization shrinkagemold temperature uniformityuniform wall thicknesscooling time

Sink marks appearing at thick-walled parts of polypropylene injection molded products

Injection Molding sink marksholding pressurecrystallization shrinkagegate designuniform wall thickness

Insufficient rigidity of general-purpose polyethylene injection molded products

Injection Molding insufficient rigidity crystallinity product design mold temperature nucleating agent

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