Material Analysis
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Regulation of melt fracture of PPA in heavy-duty packaging bag Processing
Problem Phenomenon
The melt fracture abnormality of the PPA processing aid in heavy-duty packaging bag production affects quality.
Cause Analysis
The melt fracture of the PPA fluoropolymer is unsatisfactory at an addition amount of 0.08%, and the molecular weight needs to be optimized.
Solution
Adjust the PPA addition position combined with formulation adjustment.
Key Takeaway
The key to the performance of PPA lies in coating formation.
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