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Tariff referenceChapter 39 › 3911.90.35.00

HTS 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

The current US import duty for 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester (HTS 3911.90.35.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

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: › Other: › Other: › Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom: › Thermosetting: › 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester

Current US duty rate

Column 1 (General / MFN)Free
Special (FTA programs)
Column 2 (other)15.4¢/kg + 45%

No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.

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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=3911.90.35.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).