Nano Chromium Oxide Powder from Japan
Nanoparticle chromium(III) oxide (20-50 nm) used in advanced ceramics and catalysts. Falls under HTS 2819.90.00.00 as the particle size does not affect inorganic compound classification.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include TEM/SEM analysis confirming primary particle size and agglomeration state
• Declare specific surface area (BET) data for reactivity assessment
• Provide toxicological data for nanoparticles under emerging nanomaterial regulations