Molds & Tooling
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Severe equipment corrosion by PFA
Problem Phenomenon
The corrosive gas HF causes damage to equipment and molds
Cause Analysis
PFA has trace decomposition of HF at the upper limit of the processing window
Solution
Adopt fluorine-corrosion-resistant Hastelloy/Monel alloys
Key Takeaway
The corrosiveness of PFA determines that equipment materials must have the highest level of fluorine resistance requirements
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