Injection Molding
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Corrosion of PLA injection mold
Problembeschreibung
The mold corrodes after long-term processing of PLA.
Ursachenanalyse
Trace lactic acid remaining from PLA processing or products condenses on the mold surface and corrodes the mold steel.
Lösung
Use stainless steel or corrosion-resistant mold steel; clean the mold after production to prevent corrosion.
Wichtigste Erkenntnis
The corrosiveness of PLA to molds requires attention to material selection.
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