Graphitized Carbon Black from Mexico
Carbon black heat-treated to develop partial graphitic structure, used in lubricants. Borderline HTS 2803.00.0050 if primarily amorphous, but requires analysis. Chapter 28 notes exclude full graphite.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Raman spectroscopy proving <10% graphitic content critical
• Layer spacing (d002) measurements confirm amorphous nature
• Avoid high-temperature treatment declarations triggering 3801