HTS heading
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:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (9 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 3911.10.00.00 | Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes | 6.1% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 49% |
| 3911.20.00.00 | Poly(1,3-phenylene methylphosphonate) | 6.5% | Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P,PA, PE, S, SG) | 2.2¢/kg + 33.5% |
| 3911.90.10.00 | Elastomeric | Free | — | 20% |
| 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 | — | 15.4¢/kg + 49% |
| 3911.90.25.00 | Other | 6.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 49% |
| 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 | — | 15.4¢/kg + 45% |
| 3911.90.45.00 | Other | 5.8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% |
| 3911.90.70.00 | Chlorinated synthetic rubber | Free | — | 2.2¢/kg + 33.5% |
| 3911.90.91 | Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 2.2¢/kg + 33.5% |
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