Lab-Synthesized Ta-Nb Concentrate from Mexico
Laboratory-produced synthetic concentrate of tantalum and niobium oxides for research or small-scale alloy production. HTS 2615.90.30.00 applies due to its synthetic nature and ore-concentrate form factor. Used in R&D for high-tech applications like aerospace components.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include synthesis process documentation to prove 'synthetic' status versus natural mining products
• Report quantity based on assay metal content only, as specified in statistical notes
• Avoid bulk packaging that could imply industrial slag under 2620