Desmear Electrolytic Etcher
Electrolytic etcher for desmear processing of drilled PCB holes prior to plating. Removes resin smear via anodic dissolution in production circuit boards. Classified 8543.30.2000 for electrolysis apparatus principally used in printed circuit manufacture.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for mechanical filtration without electrolysis
Purely mechanical liquid filtering apparatus classified under Chapter 84 centrifuges.
If imported with etchant chemicals
Sodium hypochlorite solutions with minor apparatus classified by chemical content.
If for general electrical etching applications
Electrolysis machines not limited to PCB production use other 8543 provisions.
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Import Tips & Compliance
• Include drill smear chemistry analysis matching standard FR4/ resin systems
• Document etcher flow rates calibrated for typical PCB production throughput
• Specify anodic basket configurations for permanganate-based desmear solutions
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