Natural Ruby Dust from Canada
Ultrafine dust from natural rubies, with 90%+ passing 0.5mm mesh, used in precision lapping and optical polishing. Falls under HTS 7105.90.00.00 as 'other' dust/powder of natural semi-precious stones.
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
• Include sieve analysis report proving powder form compliance
• Document natural corundum origin to distinguish from synthetic ruby powder