Code 5509 21 · Heading 5509

Single-thread yarn with ≥ 85% short polyester fibres, not sewing thread or retail-packaged yarn

This covers single-thread yarn containing ≥ 85% short polyester fibres. It does not include sewing thread or yarn put up for retail sale.

Save Browse the codes below

See the official tariff text

Official tariff text

Single yarn containing >= 85% polyester staple fibres by weight (excl. sewing thread and yarn put up for retail sale)

The path to this code

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

Step 4 of 4

Step 1 · Section XI Textiles and textile articles
Which named textile group best describes the product: natural silk; wool or fine or coarse animal hair; cotton; other vegetable textile fibres or paper yarn; continuous or short synthetic fibres; wadding, felt or nonwovens; floor coverings; special woven or tufted fabrics, lace, tapestries, trimmings or embroidery; coated or laminated fabric or technical textile goods; knitted fabric; knitted clothing; non-knitted clothing; or other made-up textile goods?
✓
Step 2 · Chapter 55 Man-made staple fibres 6 of 14 chapters in section XI
What kind of product is it: synthetic or regenerated tow, unprepared or prepared short fibres, chemical-fibre waste, sewing thread, other yarn, retail-presented yarn, or woven fabric—and, for woven fabric, what are its fibre content and weight?
✓
Step 3 · Heading 5509 Yarn of synthetic staple fibres (excl. sewing threa… 9 of 16 headings under chapter 55
What is the yarn's fibre composition, including whether it contains at least 85% or less than 85% of the named short synthetic fibres, what is it mixed with, and is it single, multiple or cabled?
✓
Step 4 · Subheading 5509 21 Single yarn containing >= 85% polyester staple fibr… 3 of 18 subheadings under heading 5509
Is it yarn containing ≥ 85% short polyester fibres that is single-threaded, and is it neither sewing thread nor yarn put up for retail sale?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

5509 21 00 Single yarn containing >= 85% polyester staple fibres by weight (excl. sewing thread and yarn put up for retail sale) 4.0% Save

Compare the sibling codes

Export to Norway

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

55.09.2100

Single yarn

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.

5509 21 00 00

Single yarn

Ordinary duty

4.0%

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 18 codes at this level

Previous code 5509 12

Multiple "folded" or cabled yarn containing >= 85% nylon or other pol…

you are here 5509 21

Single yarn containing >= 85% polyester staple fibres by weight (excl…

Next code 5509 22

Multiple "folded" or cabled yarn containing >= 85% polyester staple f…

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.