Problem & Solution

Practical answers to common plastic material challenges

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Poor hot runner balance in PET '2079851475616104452

Injection Molding PEThot runnerbalancemulti-cavityflow resistance

Warpage deformation of PET injection molded parts

The root of PET warpage lies in uneven shrinkage.

Injection Molding PETwarpagedeformationuneven shrinkageproduct design

Scaling in PET mold cooling water channels

Injection Molding PETmoldscalingcooling waterwater treatment

Insufficient filling/short shot in PET preform injection

PET preform short shot is usually related to excessive flow resistance.

Injection Molding PETshort shotinsufficient fillinginjection pressuregate

Insufficient weld line strength of PET injection molded parts

Injection Molding PETweld lineinsufficient strengthmolecular chain orientationventing

Fiber exposure in PET reinforced material

Injection Molding PETglass fiber exposuremold temperatureinjection speed

Gate blush in PET '2079851475616104452

PET gate blush can be eliminated through gate design and injection process optimization.

Injection Molding PETgate blushring-shaped ripplesunstable flow

Nozzle drooling in PET '2079851475616104452

PET nozzle drooling affects production stability.

Injection Molding PETnozzle droolingdrippingshut-off nozzleback pressure

Radial streaks on the surface of PET products

PET radial streaks are caused by unstable melt front flow.

Injection Molding PETradial streaksmelt frontinjection speed

Whitening in the gate area of PET preforms

Injection Molding PETgatewhiteningstress crystallizationshear rate

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