Nano Synthetic Diamond Powder 1-2 Nanometers Ultrafine from Japan
Detonation nano-synthetic diamond powder with 1-2 nm primary particles (aggregated to 80 mesh fines), used in metal matrix composites and lubricants. HTS 7105.10.0030 covers this as synthetic diamond powder passing 0.5 mm sieve per subheading note. Enables quantum dot and biomedical coatings.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• TEM/SEM reports essential for nano claims; CBP may require aggregation state clarification
• Declare biomedical vs industrial end-use; medical device powders face FDA overlay
• Hazard comms for nano-materials; SDS must note respirable fines risk