2826.90.90.90/Fluoboric Acid (Hydrogen Tetrafluoroborate)/China

Fluoboric Acid (Hydrogen Tetrafluoroborate) from China

Fluoboric acid (HBF4) is a complex fluorine salt used in electroplating and metal cleaning. It falls under HTS 2826.90.90.90 as 'other complex fluorine salts' since fluorosilicates (fluoroborates) have specific provisions but this extends to similar complexes. Chemically defined per Chapter 28/29 notes.

Duty Rate — China → United States

3.1%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Declare concentration (typically 40-50%) on commercial invoice; use stainless steel or plastic drums certified for corrosives; avoid misclassification as simple acid by providing molecular structure

Fluoboric Acid (Hydrogen Tetrafluoroborate) from China — Import Duty Rate | HTS 2826.90.90.90