Production & Quality
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Insufficient toughness of PCTG short-cycle parts
Problem Phenomenon
Impact strength of thin-wall rapid molding parts does not meet standards.
Cause Analysis
Fast cooling freezes molecular chain orientation, insufficient toughness, unreleased internal stress.
Solution
Extend cooling time or increase mold temperature; annealing treatment; use toughened grades.
Key Takeaway
PCTG thin-wall toughness is greatly affected by cooling.
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