Corrosion damage of the screw and barrel

Fenómeno do problema

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

Análise das causas

Trace HF at high temperature strongly corrodes metal materials

Solução

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

Conclusão principal

Fluoroplastics must use corrosion-resistant screws

PVDFcorrosion

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