Natural Diamond Polishing Powder 1-3 Micron
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing synthetic diamonds
Powders of synthetic diamonds have separate subheading regardless of fineness.
If shaped into grinding wheels
Natural stone for grinding wheels; pure powder remains unworked Chapter 71 material.
If set in gold/silver jewelry
Goldsmiths' articles with stones; loose powder not jewelry per note 9 definition.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 7105.10.00.15
Natural Diamond Industrial Slurry Powder Base
Dry base powder of natural diamonds for mixing industrial slurries, powder form per subheading. Classified HTS 7105.10.0015 as other natural diamond dust.
Natural Diamond PCD Substrate Powder
Natural diamond powder used in polycrystalline diamond (PCD) substrate production, fine powder form. HTS 7105.10.0015 as other natural diamond dust for tooling.
Natural Diamond Grinding Powder
Fine powder derived from natural diamonds, where 90% or more by weight passes through a 0.5 mm sieve, used for precision grinding applications. Classified under HTS 7105.10.0015 as 'other' dust and powder of natural diamonds per subheading note definition. Excludes synthetic diamonds and larger grit sizes.
Natural Diamond Lapping Powder
Ultra-fine natural diamond powder (0-10 micron) for lapping optical and semiconductor surfaces, meeting 90% through 0.5mm sieve requirement. Falls under HTS 7105.10.0015 as other natural diamond powder, distinct from diamond jewelry or stones.
Natural Diamond Finishing Powder 0.25 Micron
Nano-fine 0.25 micron natural diamond powder for final surface finishing, exceeding powder form criteria. HTS 7105.10.0015 classifies this as other natural diamond powder.
Natural Diamond Powder Type IIA
Type IIA high-purity natural diamond powder from select mines, used in electronics polishing, powder form certified. Fits HTS 7105.10.0015 other natural diamond dust.