Processing Machinery
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PPO Conductive Shielding Grade Application
Fenómeno del problema
【Problem Phenomenon】Electronic equipment needs structural components with conductivity or electromagnetic shielding
Análisis de la causa
PPO has dedicated conductive grades (HMC3008, NC series, DSN-300I/400I/500I) for conductivity and electromagnetic wave shielding; UL94 V-1 flame retardancy is maintained
Solución
Select dedicated conductive grades for conductive shielding parts; measure shielding effectiveness according to frequency band; grounding design coordinates with conductive paths; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
PPO conductive grades make EMI shielding, integrating structure and function; after confirming effectiveness, fix 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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