Coumarone-Indene Resin Grade 100 from Mexico
Thermoplastic coumarone-indene resin polymerized from coal tar fractions, inherently containing aromatic monomer units. Falls under HTS 3911.90.25.00 for other aromatic-derived products in primary forms like granules.
Duty Rate — Mexico → United States
6.1%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide manufacturing process documentation proving coumarone/indene aromatic monomers predominate by weight
• Avoid packaging that suggests finished form to stay in primary classification
• Common pitfall: misdeclaration as synthetic rubber leading to 4002 audits