United States of America HS Code

HS Code 400239: Isobuteneisoprene (butyl) rubber (IIR); haloisobuteneisoprene rubber (CIIR or BIIR) : Other in United States of America

Q: Is HS code 400239 the same across all countries?

Yes — up to the 6-digit level, HS code 400239 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United States of America extends it under HTS / HTSUS.

Q: What system does United States of America use to classify HS code 400239?

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 400239 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 400239 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 400239 is the WCO Harmonized System subheading for Isobuteneisoprene (butyl) rubber (IIR); haloisobuteneisoprene rubber (CIIR or BIIR) : Other. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 400239 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 40: Rubber and articles thereof, Heading 4002: Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip.

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

Classification Path of HS Code 400239 in United States of America

Section VII

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

Chapter 40

Rubber and articles thereof

HS Code 4002

Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip

HS Code 400239

Isobuteneisoprene (butyl) rubber (IIR); haloisobuteneisoprene rubber (CIIR or BIIR) : Other

HS Code 4002390000

Other

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

In United States of America, HS 400239 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 400239 means. Now see 2026 latest real trade activity for Halobutyl Rubber in United States of America.

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

Search 2026 Latest United States of America Import Data Search 2026 Latest United States of America Export Data

Top Trading Product of HS Code 4002

Top United States of America import Product Under HS Code 4002

1 400219: Styrenebutadiene rubber (SBR); carboxylated styrenebutadiene rubber (XSBR) : Other $573.5M 2 400299: Other : Other $139.2M 3 400270: Ethylenepropylenenonconjugated diene rubber (EPDM) $137.2M

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 4002

1 400270: Ethylenepropylenenonconjugated diene rubber (EPDM) $572.1M 2 400220: Butadiene rubber (BR) $449.5M 3 400219: Styrenebutadiene rubber (SBR); carboxylated styrenebutadiene rubber (XSBR) : Other $446.8M

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 Halobutyl Rubber (400239)

HS Code 4002390000

Other

HS Code 400211

Styrenebutadiene rubber (SBR); carboxylated styrenebutadiene rubber (XSBR) : Latex

HS Code 400219

Styrenebutadiene rubber (SBR); carboxylated styrenebutadiene rubber (XSBR) : Other

HS Code 400220

Butadiene rubber (BR)

HS Code 400231

Isobuteneisoprene (butyl) rubber (IIR); haloisobuteneisoprene rubber (CIIR or BIIR) : Isobuteneisoprene (butyl) rubber (IIR)

HS Code 400241

Chloroprene (chlorobutadiene) rubber (CR) : Latex

HS Code 400249

Chloroprene (chlorobutadiene) rubber (CR) : Other

HS Code 400251

Acrylonitrilebutadiene rubber (NBR) : Latex

HS Code 400259

Acrylonitrilebutadiene rubber (NBR) : Other

HS Code 400260

Isoprene rubber (IR)

Frequently Asked Questions

What is HS code 400239 in United States of America?

HS code 400239 covers Isobuteneisoprene (butyl) rubber (IIR); haloisobuteneisoprene rubber (CIIR or BIIR) : Other in United States of America. It sits in Chapter 40 (Rubber and articles thereof), Heading 4002 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 400239 the same across all countries?

What system does United States of America use to classify HS code 400239?

Where can I officially look up HS code 400239 in United States of America?