Code 3909 50 · Heading 3909

Polyurethanes in unprocessed form

This code covers polyurethanes in unprocessed form. It includes the specially specified polyurethane supplied as a solution in N,N-dimethylacetamide when the polymer content is at least 50% by weight, as well as other unprocessed polyurethanes.

For example

Polyurethane in unprocessed form

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See the official tariff text

Official tariff text

Polyurethanes, in primary forms

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 39 Plastics and articles thereof 1 of 2 chapters in section VII
What kind of plastic product is it: an unworked polymer or ion exchanger, plastic waste, a monofilament, rod or profile, a pipe or hose, a floor or wall covering, a flat plastic form, a sanitary item, a transport or packaging item, a household or toilet item, building equipment, or another plastic article?
✓
Step 3 · Heading 3909 Amino-resins, phenolic resins and polyurethanes, in… 9 of 26 headings under chapter 39
Is it carbamide or thiocarbamide plastic, melamine plastic, poly(methylene phenylisocyanate) (raw MDI), another aminoplastic, phenoplastic, or polyurethane, all in unprocessed form?
✓
Step 4 · Subheading 3909 50 Polyurethanes, in primary forms 6 of 6 subheadings under heading 3909
Is it polyurethane of 2,2'-[tert-butylimino]diethanol and 4,4'-methylenedicyclohexyldiisocyanate, in the form of a solution in N,N-dimethylacetamide, with a polymer content of at least 50% by weight?

Full 8-digit codes

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2 codes below this one

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Classification decides the rate here: from 0.0% to 6.5%.

3909 10 Urea resins and thiourea resins, in primary forms 0.0%
3909 20 Melamine resins, in primary forms 6.5%
3909 31 Poly"methylene phenyl isocyanate" "crude MDI, polymeric MDI", in primary forms 6.5%
3909 39 Amino-resins, in primary forms (excl. urea, thiourea and melamine resins and MDI) 6.5%
3909 40 Phenolic resins, in primary forms 6.5%
3909 50 Polyurethanes, in primary forms you are here 0.0–6.5%

Export to Norway

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

39.09.5001

Containing hydrofluorocarbons (HFC), perhalogenated fluorocarbons (PFC) or regulated chlorofluorocarbons (CFC)

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.
39.09.5009

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.

3909 50 10 00

Polyurethane of 2,2′-(tert-butylimino)diethanol and 4,4′-methylenedicyclohexyl diisocyanate, in the form of a solution in N,N-dimethylacetamide, containing by weight 50 % or more of polymer

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
3909 50 90 20

Preparation containing by weight: - 14 % or more but not more than 18 % of ethoxylated polyurethane modified with hydrophobic groups, - 3 % or more but not more than 5 % of enzymatically modified starch, and - 77 % or more but not more than 83 % of water 

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
3909 50 90 30

Preparation containing by weight: - 16 % or more but not more than 20 % of ethoxylated polyurethane modified with hydrophobic groups, - 19 % or more but not more than 23 % of diethylene glycol butyl ether, and - 60 % or more but not more than 64 % of water 

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
3909 50 90 40

Preparation containing by weight: - 34 % or more but not more than 36 % of ethoxylated polyurethane modified with hydrophobic groups, - 37 % or more but not more than 39 % of propylene glycol, and - 26 % or more but not more than 28 % of water 

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
3909 50 90 90

Other

Ordinary duty

6.0%

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 6 codes at this level

Previous code 3909 40

Phenolic resins, in primary forms

you are here 3909 50