Synthetic Industrial Diamond Powder
Finely ground synthetic diamond particles used in industrial applications like grinding and polishing. Classified under HTS 7102.29.00 as unmounted, worked industrial diamonds not specified as dust or powder elsewhere. Meets subheading note criteria with over 90% passing 0.5mm sieve.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
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 used in industrial cutting tools as components
Synthetic diamonds shaped for tools/drills classified as industrial diamond 'articles' in 7104, not raw material
If mounted in grinding wheels or bonded abrasives
Diamonds incorporated into millstones or grinding wheels fall under Chapter 68 as abrasive products
If chemically pure synthetic diamond for scientific use
Highly pure synthetic diamonds may classify as inorganic chemicals rather than gem material
Not sure which classification is right?
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Import Tips & Compliance
• Verify powder fineness meets 0.5mm sieve test per chapter notes; obtain lab certification for synthetic origin
• Declare as industrial use only to avoid jewelry misclassification
• Watch for re-export rules under Kimberley Process even for synthetics
Related Products under HTS 7102.29.00
CVD Polycrystalline Diamond Sheets
Chemically vapor deposited polycrystalline diamond plates for cutting tool inserts and wear parts. HTS 7102.29.00 covers these worked but unmounted industrial diamonds. Used in machining ferrous materials where single crystals insufficient.
HPHT Single Crystal Diamond Boulders
Large synthetic single-crystal diamonds grown by high-pressure high-temperature method for industrial sawing/wire drawing dies. Unmounted and worked falls under 7102.29.00 as non-gem industrial diamonds. Typically yellow/brown coloration unsuitable for jewelry.
Industrial Diamond Microns for Lapping
Precisely graded diamond grit (1-50 microns) for final polishing of semiconductors, optics, and precision bearings. HTS 7102.29.00 as worked industrial diamonds in powder form per subheading definition. Friable monocrystalline structure optimized for lapping.
Resazurin-Treated Diamond Particles
Synthetic diamonds coated with resazurin for electrochemical grinding applications. Still classified 7102.29.00 as primary diamond material predominates. Used in advanced manufacturing for precision metal removal.
Monocrystalline Diamond Dresser Blanks
Semi-finished single crystal diamonds for manufacturing grinding wheel dressers. Shaped but unmounted, classified 7102.29.00 as industrial diamonds. Essential for truing precision grinding wheels.
Synthetic Diamond Heat Sinks
CVD diamond plates engineered for thermal management in electronics and lasers. Unmounted worked industrial diamonds under 7102.29.00. Thermal conductivity exceeds copper by 5x.