Code 2508 50 · Heading 2508

Andalusite, cyanite or sillimanite

This code covers andalusite, cyanite and sillimanite. It is separate from bentonite, refractory clay, other clay, mullite, and chamotte or dinas clay.

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See the official tariff text

Official tariff text

Andalusite, kyanite and sillimanite

The path to this code

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

Step 4 of 4

Step 1 · Section V Mineral products
Is the product salt, sulphur, earth or stone, gypsum, lime or cement; an ore, slag or ash; or a mineral fuel, mineral oil, distillation product, bituminous substance or mineral wax?
✓
Step 2 · Chapter 25 Salt; sulphur; earths and stone; plastering materia… 1 of 3 chapters in section V
Which named material or product type is it: salt, natural iron sulphides, sulphur, natural graphite, natural sand, quartz or quartzite, kaolin or other kaolin-containing clay, other clay or related materials, chalk, natural phosphates, natural barium compounds, fossil siliceous meal or similar earth, pumice or other natural abrasives, slate, marble or other dense building limestone, granite or other building stone, gravel or crushed stone, dolomite, magnesite or magnesium oxide, gypsum, limestone for lime, cement, asbestos, mica, steatite or talc, natural borates or boric acids, feldspar or similar minerals, or vermiculite, perlite and other minerals?
✓
Step 3 · Heading 2508 Clays, andalusite, kyanite and sillimanite, whether… 8 of 29 headings under chapter 25
Is the product bentonite, refractory clay, other clay, andalusite/cyanite/sillimanite, mullite, or chamotte/dinas clay?
✓
Step 4 · Subheading 2508 50 Andalusite, kyanite and sillimanite 4 of 6 subheadings under heading 2508
Is the material bentonite, refractory clay, other clay, andalusite, cyanite or sillimanite, mullite, or chamotte or dinas clay?

Full 8-digit codes

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1 code below this one

2508 50 00 Andalusite, kyanite and sillimanite Duty free Save

Compare the sibling codes

2508 10 Bentonite 0.0%
2508 30 Fireclay (excl. kaolin and other kaolinic clays and expanded clay) 0.0%
2508 40 Clays (excl. fireclay, bentonite, kaolin and other kaolinic clays and expanded clay) 0.0%
2508 50 Andalusite, kyanite and sillimanite you are here 0.0%
2508 60 Mullite 0.0%
2508 70 Chamotte or dinas earths 0.0%

Export to Norway

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

25.08.5000

Andalusite, kyanite and sillimanite

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.

2508 50 00 00

Andalusite, kyanite and sillimanite

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 6 codes at this level

Previous code 2508 40

Clays (excl. fireclay, bentonite, kaolin and other kaolinic clays and…

you are here 2508 50

Andalusite, kyanite and sillimanite

Next code 2508 60

Mullite

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.