Extrusion & Post
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PESU Solution Processing
Problem Phenomenon
PESU solution processing of coatings and films; solvent selection and environmental protection.
Cause Analysis
PESU can be solution processed; solvent selection; concentration and viscosity; coating process; environmental protection and safety.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Solvent selection; ②concentration control; ③coating optimization; ④environmental management; ⑤performance testing.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
PESU solution processing is a special process; solvent management is the core; environmental compliance is the prerequisite.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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