Heading 3911: Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and…
Every line of heading 3911 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
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
Chapter 39: Plastics and articles thereof. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 3911.10.00.00 | Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes | 6.1% |
| 3911.20.00.00 | Poly(1,3-phenylene methylphosphonate) | 6.5% |
| 3911.90 | Other: | |
| 3911.90.10.00 | Elastomeric | Free |
| 3911.90.15.00 | 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 | Free |
| 3911.90.25.00 | Other | 6.1% |
| 3911.90.35.00 | 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester | Free |
| 3911.90.45.00 | Other | 5.8% |
| 3911.90.70.00 | Chlorinated synthetic rubber | Free |
| 3911.90.91 | Other | 6.5% |
| 3911.90.91.10 | Thermoplastic | |
| 3911.90.91.50 | Thermosetting |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- Bomar Specialties, LLC
- Foster, LLC
- LINGOL CORPORATION
- MARLBOROUGH PLASTICS, INC.
- SUMITOMO BAKELITE NORTH AMERICA, INC.
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And 1 more in the public records. See all →
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 3911 has 4 of them. Schedule B lookup →
- 3911.10.0000PETROLEUM RESINS,COUMARONE,INDENE OR COUMARONE-INDENE RESINS; POLYTERPENES
- 3911.20.0000POLY(1,3-PHENYLENE METHYLPHOSPHONATE)
- 3911.90.1000OTHER ELASTOMERIC RESINS NESOI
- 3911.90.6100POLYSULFIDES, POLYSULFONES & OTH PRODUCTS SPEC IN NOTE 3, CHAPTER 39, EXCEPT ELASTOMERIC
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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