PCB Etchant Solution from Canada
Ammonium persulfate-based mixture with sulfuric acid for etching copper from circuit boards. 3824.99.93 as electronics manufacturing chemical preparation. Selective copper removal for PCB fabrication.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Spent etchants may be 3825 wastes; import fresh only
• Concentration details critical for classification
• Corrosive labeling mandatory