Extrusion & Post
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Pinholes in PFA coatings/linings
Problem Phenomenon
Micropores appear in PFA anti-corrosion coatings
Cause Analysis
Coating construction process defects; contamination such as dust
Solution
Adopt electrostatic spraying + multiple sintering with inspection between each layer
Key Takeaway
The denseness of PFA coatings is the key to corrosion protection
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