Coumarone-Indene Resin C90 from Canada
Coumarone-Indene Resin C90 is a thermoplastic resin polymerized from coumarone and indene present in coal tar or petroleum fractions. Supplied in primary solid form, it is explicitly covered under HTS 3911.10.00.00 and serves as a binder in paints, varnishes, and printing inks.
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
• Include monomer composition analysis showing coumarone/indene predominance; ensure packaging prevents softening above 90°C; pitfall is confusion with synthetic rubber modifiers under 4002