Extrusion & Post
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Post-shrinkage of PCTG products
Problembeschreibung
Products continue to shrink and change dimensions within 24-48h after demolding.
Ursachenanalyse
Post-shrinkage of non-equilibrium molecular chains, insufficient annealing.
Lösung
Demold after full cooling; timely annealing to release stress.
Wichtigste Erkenntnis
PCTG post-shrinkage affects immediate packaging.
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