Extrusion & Post
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Regulation of sharkskin of PPA in extrusion coating Processing
Problem Phenomenon
The sharkskin abnormality of the PPA processing aid in extrusion coating production affects efficiency.
Cause Analysis
The sharkskin of the PPA fluoropolymer is unsatisfactory at an addition amount of 0.02%, and the molecular weight needs to be optimized.
Solution
Adjust the PPA model combined with screw design.
Key Takeaway
The key to the performance of PPA lies in coating formation.
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