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HTS heading 3911: Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specif

Heading 3911 of the US Harmonized Tariff Schedule covers 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. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 3911 at a glance

Goods named in this heading (official line texts): Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes, Poly(1,3-phenylene methylphosphonate), Elastomeric, Poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-met…, 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(be…, Chlorinated synthetic rubber.

Subheadings (6-digit)

All tariff lines in heading 3911

LineDescriptionGeneralSection 301 (China)Exclusions
3911.10.00Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes6.1%List 2 +25%
3911.20.00Poly(1,3-phenylene methylphosphonate)6.5%List 2 +25%
3911.90.10Other: ElastomericFreeList 2 +25%
3911.90.15Poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-met…FreeList 2 +25%
3911.90.25Thermoplastic: Other6.1%List 2 +25%
3911.90.351,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(be…FreeList 2 +25%
3911.90.45Thermosetting: Other5.8%List 2 +25%
3911.90.70Chlorinated synthetic rubberFreeList 2 +25%
3911.90.91Other: Other6.5%List 2 +25%

All of chapter 39 · Chapter 39 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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