Coumarone-Indene Resin C90
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily hydrocarbon resin without coumarone/indene specification
Other hydrocarbon resins lacking specific coumarone-indene monomers go to 3911.90.
If imported as coal tar pitch containing unpolymerized coumarone
Unpolymerized petroleum/coal tar products remain classified in Chapter 27.
If phenolic modification exceeds base polymer content
Phenolic resin modification shifts classification to Chapter 39 phenolic polymers.
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Import Tips & Compliance
• Include monomer composition analysis showing coumarone/indene predominance; ensure packaging prevents softening above 90°C; pitfall is confusion with synthetic rubber modifiers under 4002
Related Products under HTS 3911.10.00.00
C5 Petroleum Resin PR-110
C5 Petroleum Resin PR-110 is a low molecular weight thermoplastic resin derived from petroleum byproducts, primarily C5 fractions from naphtha cracking. It is supplied in primary form as solid granules or flakes and falls under HTS 3911.10.00.00 as a petroleum resin used mainly as a tackifier in adhesives and hot-melt formulations.
Hydrogenated C9 Petroleum Resin HC-9100
Hydrogenated C9 Petroleum Resin HC-9100 is a highly stable, light-colored resin produced from C9 aromatic petroleum streams through hydrogenation. Imported in primary flake form, it qualifies under HTS 3911.10.00.00 for its petroleum resin composition, ideal for inks, coatings, and rubber compounding.
Polyterpene Resin YS-100
Polyterpene Resin YS-100 is derived from polymerization of terpene monomers from wood rosin or pine resin. In primary flake or powder form, it meets HTS 3911.10.00.00 criteria as polyterpenes, commonly used as tackifiers in chewing gum bases and pressure-sensitive adhesives.
DCPD Petroleum Resin D-125
DCPD Petroleum Resin D-125 is a dicyclopentadiene-based resin from petroleum cracking byproducts, polymerized into primary form pellets. Classified under HTS 3902.10.00.00 but specifically as petroleum resin in 3911.10 when meeting composition rules, used in tire compounding and sealants.
Pentaerythritol Ester of Polyterpene Resin
This chemically modified polyterpene resin esterified with pentaerythritol offers improved polarity and adhesion. Still in primary form, it falls under HTS 3911.10.00.00 per subheading note (a)(3) as chemically modified 'other' polymer, used in hot-melt adhesives.
Aliphatic C5/C9 Copolymer Petroleum Resin
This copolymer resin combines C5 aliphatic and C9 aromatic petroleum streams, with C5 predominating by weight. Per subheading note (a)(4), it classifies in 3911.10.00.00 as petroleum resin in primary form, suitable for EVA-based adhesives.