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Large weight fluctuation of homopolymer polypropylene injection products

Injection Molding weight fluctuationnon-return ringplasticizing stabilitytemperature controlmetering accuracy

Roundness out of tolerance of homopolymer polypropylene injection products

Injection Molding roundness out of toleranceanisotropic shrinkagecooling uniformitygate positionwall thickness uniformity

Processing difficulty caused by melt flow rate mismatch of homopolymer polypropylene raw material

Injection Molding melt flow rategrade selectionincoming material inspectionprocess adjustmentraw material mixing

Environmental stress cracking of homopolymer polypropylene injection products

Injection Molding environmental stress crackingresidual stressstress concentrationannealing treatmentchemical media

Stress whitening near the gate of homopolymer polypropylene injection products

Injection Molding stress whiteninggate shearmolecular orientationinjection speedgate size

Dimensions of homopolymer polypropylene injection products continue to change after demolding

Injection Molding post-shrinkagecrystallinitydemolding temperatureannealing treatmentdimensional stability

Crazing/microcracks on the surface of homopolymer polypropylene injection products

Injection Molding crazingmicrocracksinternal stressmolecular orientationdraft angle

Uneven color/color difference of homopolymer polypropylene injection products

Injection Molding color differencecolor masterbatch dispersiontemperature stabilityback pressurescrew mixing

Underfill/short shot of homopolymer polypropylene injection products

Injection Molding short shotunderfillinjection pressuremelt flowabilitymold venting

Flow marks on the surface of homopolymer polypropylene injection products

Injection Molding flow markinjection speedmold temperaturemelt frontmulti-stage injection

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