Ultra-Fine Boron Carbide Nanopowder <500nm from Germany
Nanoscale boron carbide powder with average particle size <500nm for advanced composites and coatings. Meets HTS 2849.90.10.00 criteria as chemically defined boron carbide nanomaterial.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include TEM/SEM analysis confirming particle size distribution for nanomaterial classification
• Declare surface area (BET method) as >10 m²/g distinguishes from conventional powders
• Special handling for inhalation hazards; require NIOSH-approved respirators