Fluoroboric Acid Aluminum Etchant
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If concentrated hydrofluoric/fluoroboric acids
Chapter 28 for pure halogen acids.
If semiconductor processing mixtures
Specialized industry chems may fall under prepared mixtures.
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Import Tips & Compliance
• Fluorinated compound TSCA inventory check
• Corrosive to glass (UN 1775); special packaging
• End-use for etching prevents chemical-only classification
Related Products under HTS 3810.90.20.00
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