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.
Import Duty Rates by Country of Origin
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 synthetic diamonds not in powder form
Synthetic diamonds excluding powder fall under heading 7104 for worked diamonds.
If powder of other precious stones like ruby or sapphire
Powder from non-diamond precious stones classified separately in 7105.90.
If used as industrial abrasive articles
Millstones or grinding wheels incorporating diamond powder classified in Chapter 68.
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Import Tips & Compliance
• Verify 90%+ passes 0.5mm sieve via lab test; non-compliant shifts to 7105.90
• Provide certificates of synthetic/natural origin and grain size distribution
• Avoid misdeclaration as synthetic diamond grit (7104.21) if truly powder form
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.