Nano Tungsten Powder from China
Nanoparticle tungsten powder (<100nm) for catalysts, batteries, and advanced materials research. HTS 8101.10.00.00 applies to all tungsten powders regardless of particle size.
Duty Rate — China → United States
32%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
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 TEM/SEM analysis reports for nano claims; EPA may require TSCA certification for nanomaterials
• Declare exact surface area (m²/g) for valuation; higher purity nanos command premium duties