Material Drying
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PBN flow mark Problem in Extrusion Processing
Problembeschreibung
Polybutylene naphthalate PBN exhibits flow mark in extrusion processing at 270-300°C.
Ursachenanalyse
Under high-temperature processing at 270-300°C, hydrolysis causes the problem.
Lösung
Solve by optimizing the mold temperature.
Wichtigste Erkenntnis
PBN ultra-high-temperature processing requires comprehensive protection.
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