United States of America HS Code

HS Code 3911903500: 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester in United States of America

Q: Is HS code 3911903500 the same across all countries?

Only the first 6 digits of HS code 3911903500 are internationally harmonized. The remaining digits are added by United States of America under HTS / HTSUS and are not directly comparable to other countries' codes.

Q: What system does United States of America use to classify HS code 3911903500?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 3911903500 in United States of America?

The official source is https://www.cbp.gov/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 3911903500 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 3911903500 is classified as 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester. United States of America's tariff system extends the WCO Harmonized System to 10 digits with national subdivisions. 3911903500 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3911: Petroleum resins, coumaroneindene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms.

Explore more 2026 Latest United States of America import export trade data and shipment records for HS Code Polysulphides and Polysulphones on TradeInt global trade data platform

Classification Path of HS Code 3911903500 in United States of America

Section VII

Chapters (39-40) Plastics and articles thereof; rubber and articles thereof

Chapter 39

Plastics and articles thereof

HS Code 3911

Petroleum resins, coumaroneindene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms

HS Code 3911903500

1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 3911903500 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

You know what 3911903500 means. Now see 2026 latest real trade activity for Polysulphides and Polysulphones in United States of America.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 3911

Top United States of America import Product Under HS Code 3911

1 391190: Other $469.1M 2 391110: Petroleum resins, coumarone, indene or coumaroneindene resins and polyterpenes $157.5M 3 391120: Petroleum resins, coumaroneindene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms $785.0K

Figures shown for 2025.

For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 3911

1 391190: Other $871.7M 2 391110: Petroleum resins, coumarone, indene or coumaroneindene resins and polyterpenes $154.3M 3 391120: Petroleum resins, coumaroneindene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms $820.7K

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Polysulphides and Polysulphones (3911903500)

HS Code 3911901000

Elastomeric

HS Code 3911901500

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

Chlorinated synthetic rubber

Petroleum resins, coumarone, indene or coumaroneindene resins and polyterpenes

HS Code 390110

Polyethylene having a specific gravity of less than 0,94

3911903500 in Other Countries

See how 3911903500 (Polysulphides and Polysulphones) is classified across other countries, each with its own national code and local description.

Compare 3911903500 across countries

Frequently Asked Questions

What is HS code 3911903500 in United States of America?

HS code 3911903500 covers 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester in United States of America. It sits in Chapter 39 (Plastics and articles thereof), Heading 3911 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 3911903500 the same across all countries?

What system does United States of America use to classify HS code 3911903500?

Where can I officially look up HS code 3911903500 in United States of America?