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

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