Ultra-Pure Synthetic Diamond Powder for Optics from Canada
High-purity CVD synthetic diamond powder for polishing optical lenses and laser windows to nanometer surface finish. HTS 7105.10.0050 as other synthetic diamond powder meeting sieve definition. Excludes set stones per chapter structure.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide impurity analysis (<10ppm nitrogen) confirming optical grade specifications
• Use vacuum-sealed packaging to maintain purity during ocean/air transit
• Avoid classification disputes by excluding any slurry additives in shipment