Potassium Fluoroaluminate from Canada
Potassium fluoroaluminate (K3AlF6) is a double salt used in metal refining and welding fluxes. Classified under HTS 2826.90.90.90 as a fluoroaluminate complex fluorine salt per Chapter 28 notes on complex salts. It qualifies as chemically defined under the subheading definition.
Duty Rate — Canada → United States
3.1%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include assay certificates showing Al:F ratio for classification verification; ensure packaging meets corrosive substance standards (UN 2757); check for TSCA pre-manufacture notification if modified