Fluoroboric Acid Aluminum Etchant from Japan
Aqueous fluoroboric acid solution for precision etching of aluminum semiconductor parts. Inorganic acid provides uniform attack rate for microfabrication, under 3810.90.2000 pickling preparations. Electronics industry.
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
• Fluorinated compound TSCA inventory check
• Corrosive to glass (UN 1775); special packaging
• End-use for etching prevents chemical-only classification