Extrusion & Post
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LCP Product Surface Decoration
Problem Phenomenon
Printing and coating adhesion problems.
Cause Analysis
LCP has low surface energy and strong chemical resistance; surface treatment is difficult.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Plasma or primer treatment; ②select dedicated inks and coatings; ③perform adhesion tests; ④confirm with suppliers.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LCP surface decoration requires dedicated treatment; chemical resistance makes adhesion more difficult.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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