Of diamonds
Dust and powder of natural or synthetic precious or semi- precious stones: > Of diamonds
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified under HTS 7105.10.00
Natural Diamond Grinding Powder
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.
Diamond Lapping Powder 325 Mesh
325 mesh diamond powder from synthetic sources, ensuring 90%+ passes 0.5mm for optical lens polishing. Precisely matches HTS 7105.10.00 definition for diamond powder. Not clad or alloyed with precious metals.
Monocrystalline Diamond Powder
High-purity monocrystalline synthetic diamond powder for semiconductor wafer lapping, meeting strict powder form criteria. Classified in HTS 7105.10.00 as synthetic precious stone powder. Excludes any metal plating per chapter note.
Polycrystalline Diamond Powder
Polycrystalline synthetic diamond powder for thermal management coatings, 90% through 0.5mm sieve. Fits HTS 7105.10.00 for diamond dust and powder specifically. Not jewelry articles per note 9.
Diamond Paste Carrier Powder
Base diamond powder used in manufacturing lapping pastes, synthetic, sieve-compliant for tariff purposes. HTS 7105.10.00 applies before mixing into chemical pastes. Meets precious stone powder definition.
CVD Diamond Powder Residue
Powder byproduct from Chemical Vapor Deposition synthetic diamond production, refined to 0.5mm sieve standard. Classified as synthetic diamond powder under HTS 7105.10.00. Industrial residue not jewelry per note 9.
Nano-Diamond Powder USP Grade
Ultra-fine nano-scale synthetic diamond powder (USP purified) for biomedical polishing, 100% through 0.5mm sieve. HTS 7105.10.00 for all diamond powders regardless of size. Excludes semiprecious stone mixtures.
HPHT Synthetic Diamond Powder
High Pressure High Temperature (HPHT) synthetic diamond powder for wire saw slurry, powder form verified. Directly under HTS 7105.10.00 as synthetic diamond powder. Not clad per note 7.
Synthetic Diamond Micron Powder
Ultra-fine synthetic diamond powder (1-50 microns) meeting the 0.5mm sieve test, ideal for precision lapping and coating applications. Falls under HTS 7105.10.00 as synthetic diamond powder per chapter definitions. Excludes alloys or clad materials.
Industrial Diamond Powder
Fine powder made from natural or synthetic diamonds, where 90% or more by weight passes through a 0.5 mm sieve, used primarily for grinding and polishing tools. Classified under HTS 7105.10.00 as diamond dust and powder per subheading note. It meets the powder form definition for precious stones in this chapter.