Molding Process
11 Aufrufe
PES product post-shrinkage
Problembeschreibung
PES products slowly change dimensions during use
Ursachenanalyse
The amorphous structure of PES allows molecular chains to continue relaxing at long-term use temperatures
Lösung
Fully anneal to eliminate deformation frozen in; the post-processing and application temperature of the product should be lower than the HDT of PES
Wichtigste Erkenntnis
The dimensional stability of amorphous polymers requires sufficient post-processing
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