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.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for diagnostic/pharmaceutical use
Nanoparticles in medical preparations classified in Chapter 30.
If blended with sapphire nanoparticles
Mixed precious stone nanopowders in unspecified 7105.90.
If as laboratory reagent diagnostic
Nano-diamond lab reagents shift to chemical reagents heading.
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Import Tips & Compliance
• Include USP/ISO biomedical certifications
• Declare nano status but emphasize diamond composition
• Separate from drug delivery nanoparticles (3002)
Related Products 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.