DEFECT TOPIC
Cold slug
Cold marks or hazy patches appear on the part. They relate to gate temperature, residence time and cold-slug well design.
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View all articlesGate Freezing and Cold Material: Temperature, Cycle Wait, and Shutdown Residue
Sudden short shots or reduced output indicate gate freezing; dark hard marks after restart indicate cold material. Both originate at the nozzle tip but have different causes.
Not finding the matching defect? Share the resin, shot weight and gate photos for a review against the actual structure.
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