Processing Machinery
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PVDF Product Substitution Evaluation
Problem Phenomenon
Substitution evaluation under cost pressure.
Cause Analysis
PVDF and other fluoroplastics (PTFE/FEP/PFA) each have their own characteristics; substitution requires evaluating performance matching.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Evaluate performance requirements; ②compare fluoroplastic characteristics; ③verify substitution feasibility; ④cost-benefit analysis.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Fluoroplastic substitution must hold the performance bottom line.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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