Fluoroboric Acid Aluminum Etchant from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Fluorinated compound TSCA inventory check
• Corrosive to glass (UN 1775); special packaging
• End-use for etching prevents chemical-only classification