"PTFE causing corrosion"


"We have extrusion dies that are made from 304 ss. We see corrosion pits on the interior surface of the dies. The material that is extruded through the dies is PTFE. What interaction between the PTFE and the 304 ss could be causing the corrosion pitting?"


First, you should verify that the pitting is caused by corrosion and not by some other mechanism. This is a guess; however, assuming that you are correct, you might investigate whether residual hydrofluoric acid from processing is contributing to the corrosion.


 << return to the previous page ::


Contact Us

If you have questions or need our depth of experience to help with your issues...

Call us: 281-556-8774

Email us: info@hghouston.com


The safe operation of oil refineries in the United States is under constant r...read more
When: January 30, 2017 - February 2, 2017 Where: Galveston Island Conventi...read more

View all articles

Stay Current

Sign up for our quarterly newsletter

covering updates on corrosion