Sapphire Polishing Powder from Canada
High-purity synthetic sapphire (corundum) powder for semiconductor wafer polishing, meeting 0.5mm sieve standard. HTS 7105.90.00.00 covers synthetic semi-precious stone powders other than diamonds.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify synthetic composition and powder fineness per Chapter 71 notes
• For electronics end-use, prepare for potential anti-dumping scrutiny on Asian imports
• Label clearly as raw powder, not pre-mounted abrasive to stay in Chapter 71