Processing Machinery
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PPS product chemical resistance application
Problem Phenomenon
Product failure in chemical environments.
Cause Analysis
PPS has excellent chemical resistance, but specific media still need verification; stress and media act together.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Select grade by medium; ②conduct compatibility verification; ③reduce internal stress; ④round the structure.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPS chemical resistance is a strength, but the specific medium must be verified.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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