Extrusion & Post
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Surface Defect Problem in Extrusion of PAK Special Engineering Plastic
Problem Phenomenon
Polyacrylate ketone PAK shows surface defect during extrusion processing at 240-300°C.
Cause Analysis
Improper control in the aspect of PAK high-temperature rheological abnormality).
Solution
Increase the mold temperature.
Key Takeaway
PAK high-temperature processing requires precise control.
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