Boron Carbide Abrasive Grit from Japan
Boron carbide (B4C) grit used in high-performance abrasives and armor materials. Classified in 2849.90.50.00 as 'other' chemically defined carbides, excluding metal-sintered cermets. Ideal for nozzle linings and cutting tools due to extreme hardness.
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 technical data sheets confirming >99% purity to meet 'chemically defined' criteria
• Declare as UN3077 environmentally hazardous if shipped in bulk quantities
• Check end-use declarations to prevent reclassification as defense articles under ITAR