Processing Machinery
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PVDF Product Chemical Resistance Advantage Realization
Fenómeno del problema
Products still fail in strongly corrosive environments.
Análisis de la causa
PVDF has excellent chemical resistance, but specific media (such as fuming sulfuric acid, strong alkalis) can still attack it; defect locations on the product are also breakthrough points.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solución
①Confirm compatibility with the specific medium; ②avoid weld line defects on the product in the contact area; ③perform medium immersion verification; ④select a suitable grade.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PVDF chemical resistance is a core advantage but the specific medium must be verified; product integrity also affects corrosion resistance performance.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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