Extrusion & Post
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Optimization of the Application of PPA in cast film
Problem Phenomenon
Problems such as unstable effect occurred with the PPA fluoropolymer processing aid in the process of improving surface quality in the cast film section.
Cause Analysis
The fluorine-to-carbon ratio of the PPA fluoropolymer does not match the base resin; the screw configuration requires targeted optimization.
Solution
It is recommended to systematically adjust from aspects such as the formulation synergy.
Key Takeaway
The performance of PPA depends on synergy with the lubricant.
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