Extrusion & Post
3 Aufrufe
Internal stress streaks in PCTG transparent parts
Problembeschreibung
Transparent products show colored stress streaks under polarized light.
Ursachenanalyse
Uneven distribution of internal stress generated by flow and cooling during molding, insufficient annealing.
Lösung
Increase mold temperature; full annealing; optimize gate position to improve flow.
Wichtigste Erkenntnis
PCTG internal stress streaks affect optical quality.
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