Antimony Selenide Nanoparticles from Mexico
Antimony selenide nanoparticles are used in thin-film photovoltaics and batteries, with size under 100nm for enhanced properties. As a metal selenide, it fits HTS 2842.90.90.10 for chemically defined inorganic salts. Excluded from Chapter 28 only if organo-compounds.
Duty Rate — Mexico → United States
13.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare particle size for nanomaterial regs; EPA PMN if novel
• Don't classify as pharmaceuticals under Chapter 30