Ammonium Fluoborate from China
Ammonium fluoborate (NH4BF4) is utilized in electroplating baths, explosives, and synthetic resins. Falls under HTS 2826.19.1000 as an ammonium fluoride complex. Chemically defined per Chapter 28/29 notes, distinct from organo-inorganics.
Duty Rate — China → United States
38.1%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Certify boron content <5% to avoid overlap with borates in 2840; focus on fluorine classification
• Hazard class 6.1 (toxic); include toxicology data and UN 1812 shipping papers