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Ultra-Fine Boron Carbide Nanopowder <500nm from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Ultra-Fine Boron Carbide Nanopowder <500nm from Japan — Import Duty Rate | HTS 2849.90.10.00