PCB Etchant Solution from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Spent etchants may be 3825 wastes; import fresh only
• Concentration details critical for classification
• Corrosive labeling mandatory