Extrusion & Post
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Unstable PEI Electroplating Quality
Problem Phenomenon
The adhesion and surface quality of PEI electroplated products are unstable; electroplating performance is highly correlated with molding quality.
Cause Analysis
PEI shows good electroplating performance, but the quality of electroplating performance has a great relationship with the molding quality of the product; surface stress, defects, and contamination affect coating adhesion; pretreatment process matching.
Solution
①Prioritize molding quality assurance: low stress and no defects; ②standardize surface treatment before electroplating; ③coating adhesion testing; ④linked optimization of molding and electroplating processes.
Key Takeaway
PEI's electroplating advantage needs molding quality support; a low-stress surface is the foundation of the coating; the two processes are managed in linkage.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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