Natural Diamond Polishing Powder 1-3 Micron from Japan
High-purity natural diamond powder sized 1-3 microns for metallographic polishing, qualifying as powder form under subheading note. HTS 7105.10.0015 applies to this 'other' category of natural diamond dust, excluding gems or synthetics.
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
• Require supplier's sieve certification; US Customs frequently audits powder form compliance
• Label clearly as 'natural' with origin docs; pitfall is synthetic substitution raising synthetics duty
• For bulk imports, ensure no agglomeration that could classify as Chapter 68 articles