NOW FOR USA HTS Harmonized Tariff Schedule (2024 HTS Revision 10)
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Harmonized Tariff Schedule (2024 HTS Revision 10)

Heading Duty(general) Duty(china) Article Description Compare Code
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: --
3911.10.00.00 6.1%  The duty provided in the applicable subheading + 25%  Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes vs-3911
3911.20.00.00 6.5%    Poly(1,3-phenylene methylphosphonate) vs-3911100000
3911.90     Other: vs-3911200000
3911.90.10.00 Free  The duty provided in the applicable subheading + 25%  Elastomeric
Other:
Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom:
Thermoplastic:
vs-391190
3911.90.15.00 Free  The duty provided in the applicable subheading + 25%  Poly(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 vs-3911901000
3911.90.25.00 6.1%  The duty provided in the applicable subheading + 25%  Other
Thermosetting:
vs-3911901500
3911.90.35.00 Free  The duty provided in the applicable subheading + 25%  1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester vs-3911902500
3911.90.45.00 5.8%  The duty provided in the applicable subheading + 25%  Other
Other:
vs-3911903500
3911.90.70.00 Free  The duty provided in the applicable subheading + 25%  Chlorinated synthetic rubber vs-3911904500
3911.90.91 6.5%    Other vs-3911907000
3911.90.91.10 6.5%    Thermoplastic vs-39119091
3911.90.91.50 6.5%    Thermosetting vs-3911909110