Thermal Black Carbon from Mexico
Thermal black is carbon black made by thermal decomposition of hydrocarbons in the absence of air, yielding larger particle sizes. It qualifies for HTS 2803.00.0050 as other carbon not elsewhere specified, used mainly in rubber reinforcement. Excluded from graphite classifications per Chapter 28 notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit production process documentation proving thermal decomposition method
• Test for graphitic content (<1% typically) to prevent reclassification
• Label bulk shipments clearly as industrial carbon to avoid retail goods scrutiny