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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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