Molding Process
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Optimization of the Application of PPA in HDPE pipe
Problem Phenomenon
Problems such as unstable effect occurred with the PPA fluoropolymer processing aid in the process of eliminating melt fracture in the HDPE pipe section.
Cause Analysis
The fluorine-to-carbon ratio of the PPA fluoropolymer does not match the base resin; the processing temperature requires targeted optimization.
Solution
It is recommended to systematically adjust from aspects such as the addition method.
Key Takeaway
The performance of PPA depends on molecular design and matching with the base resin.
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