Coumarone-Indene Resin Flakes from Mexico
Coumarone-indene resins in thermoplastic flake form, primary products under heading 3911 as specified in note 3. Classified in 3911.90.91.10 for other thermoplastics not elsewhere included, used as tackifiers in adhesives and tires.
Duty Rate — Mexico → United States
16.5%
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
• Include softening point and molecular weight specs to prove primary form and thermoplastic behavior
• Certify no plasticizer addition per 3920.43 note to stay in 3911; document purity
• Avoid pitfall of tableting classifying as finished under 3921; import as loose flakes