Copper Telluride Flakes from Mexico
Copper telluride serves as a precursor in thermoelectric materials and catalysts, available in flake form for easy dispersion. It is a metal telluride classified under HTS 2842.90.90.10 as per headings 2826-2842 for metal salts. Excluded from Chapter 28 only if organo-inorganic or luminophores.
Duty Rate — Mexico → United States
13.3%
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
Import Tips
• Certify non-radioactive per 2844 notes; use proper packaging for moisture sensitivity
• Pitfall: bulk mixtures may shift to 3824 as preparations