Coumarone-Indene Resin Grade 100 from Canada
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 — Canada → United States
16.1%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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