HTS Index

HTS heading 3911

Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms — 13 codes under this heading, with the duty on each.

CodeDescriptionGeneral rateUnits
3911Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms + Ch. 99not stated
3911.10.00.00Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes + Ch. 996.1%kg
3911.20.00.00Poly(1,3-phenylene methylphosphonate) + Ch. 996.5%kg
3911.90Other + Ch. 99not stated
3911.90.10.00Elastomeric + Ch. 99Freekg
3911.90.15.00Poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene + Ch. 99Freekg
3911.90.25.00Other + Ch. 996.1%kg
3911.90.35.001,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester + Ch. 99Freekg
3911.90.45.00Other + Ch. 995.8%kg
3911.90.70.00Chlorinated synthetic rubber + Ch. 99Freekg
3911.90.91Other + Ch. 996.5%
3911.90.91.10Thermoplastic + Ch. 996.5% (inherited from 3911.90.91)kg
3911.90.91.50Thermosetting + Ch. 996.5% (inherited from 3911.90.91)kg

2 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.

Additional duties may apply

13 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.

Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.