Extrusion & Post
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Regulation of dispersion white spots of PPA in stretch film Processing
Problem Phenomenon
The dispersion white spots abnormality of the PPA processing aid in stretch film production affects efficiency.
Cause Analysis
The dispersion white spots of the PPA fluoropolymer is unsatisfactory at an addition amount of 0.05%, and the molecular weight needs to be optimized.
Solution
Adjust the PPA pretreatment process combined with screw design.
Key Takeaway
The key to the performance of PPA lies in coating formation.
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