Nano Chromium Oxide Powder from United States
Nanoparticle chromium(III) oxide powder (20-50 nm) used in advanced ceramics and catalysts. Particle size does not affect classification as a chemically defined inorganic compound, so it falls under this tariff item as 'other'.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the nanoparticles are not coated or functionalised with organic compounds, which would exclude them from Chapter 28
• Provide particle size distribution and purity data
• Ensure the powder is not classified as a hazardous material requiring special permits