Nano Cadmium Sulfide Particles from Mexico
Cadmium sulfide nanoparticles (10-50nm) for quantum dot applications in displays and biomedical imaging. Still classified as chemically defined CdS under HTS 2830.90.20.00 when >99% pure. Surface-capped but primary compound identity maintained.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• TEM/SEM analysis proving nanoparticle nature and composition required
• Special handling for nano materials; EPA nanomaterial reporting may apply
• Distinguish from finished quantum dot inks (Chapter 32)