Material Analysis
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Yellowing of POM products
Problembeschreibung
POM natural white products gradually turn yellow.
Ursachenanalyse
POM thermal decomposition and oxidation produce colored substances; processing temperature too high or antioxidant insufficient.
Lösung
Strictly control processing temperature at 190-210°C; use POM grades containing antioxidant; shorten residence time.
Wichtigste Erkenntnis
POM yellowing is a visible sign of degradation.
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