Code 3909 10 · Heading 3909

Unprocessed urea plastic, including thiourea plastic

This covers carbamide (urea) plastic, including thiocarbamide (thiourea) plastic, in unprocessed form.

For example

Unprocessed urea plastic
Unprocessed thiourea plastic

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See the official tariff text

Official tariff text

Urea resins and thiourea resins, 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 10 Urea resins and thiourea resins, in primary forms 1 of 6 subheadings under heading 3909
Which type of unprocessed plastic is it: carbamide or thiocarbamide plastic, melamine plastic, poly(methylene phenyl isocyanate) (raw MDI), another aminoplast, phenol plastic, or polyurethane?

Full 8-digit codes

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1 code below this one

3909 10 00 Urea resins and thiourea resins, in primary forms Duty free Save

Compare the sibling codes

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

3909 10 Urea resins and thiourea resins, in primary forms you are here 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 0.0–6.5%

Export to Norway

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

39.09.1000

Urea resins; thiourea resins

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 10 00 00

Urea resins; thiourea resins

Ordinary duty

Depends on the product details

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

you are here 3909 10

Urea resins and thiourea resins, in primary forms

Next code 3909 20

Melamine resins, in primary forms

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.