Material Analysis
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PPSU recycling and reprocessing problems
Problembeschreibung
Recycling and reuse of expensive PPSU product scrap results in performance degradation.
Ursachenanalyse
After multiple passes through the 380°C thermal history, the molecular chains of PPSU degrade and the molecular weight decreases.
Lösung
Strictly control the regrind ratio ≤20%; supplement with stabilizer.
Wichtigste Erkenntnis
PPSU recycling has economic value but requires careful implementation.
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