Problem & Solution

Practical answers to common plastic material challenges

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Poor surface gloss of PU

Molds & Tooling PU gloss mold polishing crystallization scattering nucleating agent

EVOH Product Elliptical Deformation

Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key

Molds & Tooling EVOHelliptical deformationsymmetric ejectionuniform coolingsetting time

EVOH Product Twist Deformation

Twist deformation is caused by asymmetric cooling; symmetric cooling is key

Molds & Tooling EVOHtwist deformationsymmetric coolinggate arrangementannealing

Uneven Internal Density of EVOH

Uneven density is caused by uneven holding; optimizing gate design is key

Molds & Tooling EVOHuneven densityholding pressure transmissiongate designcrystallization difference

Insufficient EVOH Flatness

Molds & Tooling EVOHflatnessshrinkage differenceuniform mold temperatureannealing

EVOH Internal Shrinkage Cavities

Molds & Tooling EVOHshrinkage cavitythick wallholding timegate freezing

Poor EVOH Fatigue Resistance

Molds & Tooling EVOHfatigue resistancecrosslinking degreemolecular weightstress concentration

EVOH Length Out of Tolerance

Molds & Tooling EVOHlength out of toleranceshrinkagemold compensationfull cooling

Poor EVOH Surface Gloss

Molds & Tooling EVOHglossmold polishingcrystalline scatteringnucleating agent

EVA product elliptical deformation

Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key

Molds & Tooling EVA elliptical deformation symmetric ejection uniform cooling shaping time

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