Reaction-Bonded Boron Carbide Precursor Powder from Japan
Specialty boron carbide powder designed for reaction-bonded ceramic processing in armor and wear-resistant applications. Remains under HTS 2849.90.10.00 as pure chemical compound prior to sintering.
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
• Specify 'precursor grade' in commercial invoice to distinguish from finished ceramics
• ITAR/EAR compliance required for armor applications; declare end-use clearly
• Maintain batch traceability; impurity levels >1% may reclassify as mixtures