Production & Quality
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Regulation of sharkskin of PPA in PE film Processing
Problem Phenomenon
The sharkskin abnormality of the PPA processing aid in PE film production affects quality.
Cause Analysis
The sharkskin of the PPA fluoropolymer is unsatisfactory at an addition amount of 0.05%, and the fluorine content needs to be optimized.
Solution
Adjust the PPA addition position combined with screw design.
Key Takeaway
The key to the performance of PPA lies in matching with the base resin.
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