Natural Diamond Grinding Powder from Canada
Powder derived from crushed natural diamonds, compliant with 90% through 0.5mm sieve, used in high-end polishing compounds. HTS 7105.10.00 covers both natural and synthetic diamond powders explicitly. Treated as precious stone powder per chapter notes.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Obtain Kimberley Process certification for natural diamonds to prove origin
• Test sieve aperture strictly; failure reclassifies to 7105.21 dust
• Document end-use as abrasive to prevent jewelry-related scrutiny