Natural Ruby Dust from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include sieve analysis report proving powder form compliance
• Document natural corundum origin to distinguish from synthetic ruby powder