Code 3911 20 · Heading 3911

Poly(1,3-phenylene methylphosphonate), unworked

This category covers poly(1,3-phenylene methylphosphonate) in unworked form. The polymer must be this specific chemically synthesised polymer and must be unworked.

For example

Poly(1,3-phenylene methylphosphonate) in unworked form

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See the official tariff text

Official tariff text

Poly(1,3-phenylene methylphosphonate), 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 3911 Petroleum resins, coumarone-indene resins, polyterp… 11 of 26 headings under chapter 39
Is it an unprocessed petroleum, coumarone, indene, coumarone-indene resin or polyterpene; unprocessed poly(1,3-phenylen methylphosphonate); or an unprocessed polysulfide, polysulfone or other chemically made polymer or prepolymer not elsewhere named?
✓
Step 4 · Subheading 3911 20 Poly(1,3-phenylene methylphosphonate), in primary f… 2 of 3 subheadings under heading 3911
Is it poly(1,3-phenylene methylphosphonate) in unworked form?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

3911 20 00 Poly(1,3-phenylene methylphosphonate), in primary forms 6.5% Save

Compare the sibling codes

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

3911 10 Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes, in primary forms 6.5%
3911 20 Poly(1,3-phenylene methylphosphonate), in primary forms you are here 6.5%
3911 90 Polysulphides, polysulphones and other polymers and prepolymers produced by chemical synthesis, n.e.s., in primary forms 0.0–6.5%

Export to Norway

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

39.11.2000

Poly(1,3-phenylene methylphosphonate)

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. 9, 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.

3911 20 00 00

Poly(1,3-phenylene methylphosphonate)

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 3 codes at this level

Previous code 3911 10

Petroleum resins, coumarone, indene or coumarone-indene resins and po…

you are here 3911 20

Poly(1,3-phenylene methylphosphonate), in primary forms

Next code 3911 90

Polysulphides, polysulphones and other polymers and prepolymers produ…

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.