Processing Machinery
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PPSU chemical resistance
Problembeschreibung
PPSU chemical resistance boundary; attention to polar solvents.
Ursachenanalyse
PPSU resists water vapor, boiling water, inorganic acids, aliphatic hydrocarbons, detergents; but some polar solvents perform poorly; stress cracking risk; usage attention.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
①Avoid contact with incompatible solvents; ②medium compatibility verification; ③stress management; ④usage environment evaluation.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PPSU chemical resistance has a clear boundary; compatibility verification prevents failure; stress management reduces risk.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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