Corrosion damage of the screw and barrel

Problembeschreibung

Corrosion pits appear on the screw and barrel, and the service life is greatly shortened

Ursachenanalyse

Trace HF at high temperature strongly corrodes metal materials

Lösung

Select Hastelloy C276 or Inconel 625, hard chrome plating, and temperature control

Wichtigste Erkenntnis

Fluoroplastics must use corrosion-resistant screws

PVDFcorrosion

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