Problem & Solution

Practical answers to common plastic material challenges

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Scratches on PET preforms during conveying

PET preform scratching is a common problem in the post-processing stage.

Molds & Tooling PETpreformscratchingconveyingdemolding temperature

Longitudinal streaks on PET extruded sheet

Extrusion & Post PETsheetlongitudinal streaksdie lipthree-roll

Fogging on the surface of PET parts after packaging

PET surface fogging affects display effect and needs anti-fog treatment.

Material Drying PETfoggingcondensationanti-fogtransparency

Insufficient peel strength of PET extrusion coating

Extrusion & Post PETextrusion coatingpeel strengthsurface treatment

Rough surface of PET foamed sheet

Molding Process PETfoamingrough surfacemelt strengthchain extender

High boiling water shrinkage rate of PET fiber

Extrusion & Post PETfiberboiling water shrinkageheat settinginternal stress

Unstable crimp degree of PET fiber

PET staple fiber crimp stability is crucial for downstream textile processing.

Extrusion & Post PETstaple fibercrimp degreedrawing process

Uneven dyeing of PET fiber

PET fiber dyeing uniformity depends on the uniformity of the fiber microstructure.

Extrusion & Post PETfiberuneven dyeingcrystallinityorientation degree

Hot runner temperature out of control in PET '2079851475616104452

PET hot runner temperature out of control quickly leads to batch scrap.

Injection Molding PEThot runnertemperature out of controlthermocoupleheating band

Ridges in PET film winding

PET film ridges are a comprehensive manifestation of uneven thickness and poor winding.

Extrusion & Post PETfilmridgeswindingthickness

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