Processing Machinery
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PPS screw cleaning
Problem Phenomenon
Switching dark PPS to light color or material changeover cleaning is difficult.
Cause Analysis
PPS degradation products adhere firmly to the screw wall and require special purging material and long-time cleaning.
Solution
Use aromatic purging material; long-time cleaning combined with physical scraping.
Key Takeaway
PPS cleaning requirements are a consideration in production scheduling.
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