Code 4002 39 · Heading 4002

Halogenated isobutene-isoprene rubber (CIIR or BIIR), unworked or in sheets or strips

This covers halogenated isobutene-isoprene rubber, known as CIIR or BIIR, supplied in unworked form or as sheets or strips. The rubber must be CIIR or BIIR.

For example

Unworked CIIR rubber
Unworked BIIR rubber
CIIR rubber sheets
BIIR rubber strips

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See the official tariff text

Official tariff text

Halo-isobutene-isoprene rubber "CIIR" or "BIIR", in primary forms or in plates, sheets or strip

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VII Plastics and articles thereof; rubber and articles …
Is the product made of plastic, or is it made of rubber?
✓
Step 2 · Chapter 40 Rubber and articles thereof 2 of 2 chapters in section VII
Is it natural, synthetic, regenerated, mixed or waste rubber in an unworked form or as sheets or strips; non-vulcanised rubber or an article made from it; rubber thread, sheets, strips, rods, profiles, tubes, hoses, belts, tyres, hygienic or pharmaceutical articles, clothing, gloves, other soft-rubber products, or hard rubber and products made from it?
✓
Step 3 · Heading 4002 Synthetic rubber and factice derived from oils, in … 2 of 17 headings under chapter 40
Which named type is it—SBR or XSBR, BR, IIR, CIIR or BIIR, CR, NBR, IR, EPDM, another synthetic rubber or oil-based factis, or a mixture of natural rubber or a similar natural gum with synthetic rubber or factis—and is it latex or unprocessed, in sheets or in strips?
✓
Step 4 · Subheading 4002 39 Halo-isobutene-isoprene rubber "CIIR" or "BIIR", in… 5 of 14 subheadings under heading 4002
Is it halogenated isobutene-isoprene rubber (CIIR or BIIR) in unworked form or as sheets or strips?

Full 8-digit codes

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1 code below this one

4002 39 00 Halo-isobutene-isoprene rubber "CIIR" or "BIIR", in primary forms or in plates, sheets or strip Duty free Save

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Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

40.02.3900

Other

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 3, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

4002 39 00 00

Other

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 3, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 14 codes at this level

Previous code 4002 31

Isobutylene isoprene rubber "IIR", in primary forms or in plates, she…

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Halo-isobutene-isoprene rubber "CIIR" or "BIIR", in primary forms or …

Next code 4002 41

Chloroprene latex "chlorobutadiene rubber, CR"

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.