Code 6806 20 · Heading 6806

Expanded vermiculite, expanded clay, foam slag and similar expanded mineral substances, including mixtures

This code covers expanded vermiculite, expanded clay, foam slag and similar expanded mineral substances, including mixtures of these goods. It does not cover lightweight concrete, asbestos-based goods or ceramic goods.

For example

Expanded vermiculite
Expanded clay
Foam slag

See the official tariff text

Official tariff text

Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials, incl. intermixtures thereof

How we got to this code

XIII
68
6806
6806 20

Show the steps

The path to this code

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

Step 4 of 4

Step 1 · Section XIII Articles of stone, plaster, cement, asbestos, mica …
Is the item made of stone, plaster, cement, asbestos, mica or a similar material; is it a ceramic product; or is it glass or glassware?
✓
Step 2 · Chapter 68 Articles of stone, plaster, cement, asbestos, mica … 1 of 3 chapters in section XIII
Which product and material category best describes it: natural-stone paving, worked stone or stone mosaic material, worked slate, grinding or sharpening goods, abrasive on a backing, mineral wool or expanded mineral material, asphalt-like goods, wood or plant fibre bonded with cement or plaster, plaster goods, cement/concrete/artificial-stone goods, asbestos-cement or cellulose-cement goods, asbestos goods, unmounted friction material, mica goods, or another stone or mineral-material product?
✓
Step 3 · Heading 6806 Slag-wool, rock-wool and similar mineral wools; exf… 6 of 15 headings under chapter 68
Is it slag wool, rock wool or similar mineral wool; expanded vermiculite, expanded clay, foamed slag or a similar expanded mineral; or another mixture or product made from heat-insulating, sound-insulating or sound-absorbing minerals?
✓
Step 4 · Subheading 6806 20 Exfoliated vermiculite, expanded clays, foamed slag… 2 of 3 subheadings under heading 6806
Is it expanded clay?

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 0.0%

2 codes below this one

Compare the sibling codes

See all 3 codes at this level

6806 10 Slag-wool, rock-wool and similar mineral wools, incl. intermixtures thereof, in bulk, sheets or rolls 0.0%
6806 20 Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials, incl. intermixtures thereof you are here 0.0%
6806 90 Mixtures and articles of heat-insulating, sound-insulating or sound absorbing mineral materials (excl. slag-wool, rock-wool and similar mineral wools, exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials, articles of light concrete, asbestos-cement, cellulose fibre-cement or the like, mixtures and other articles of or based on asbestos, and ceramic products) 0.0%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

68.06.2000 Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines2 British lines

6806 20 10 00 Expanded clays

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

Their lines1 US line
Entry dateSept. 17, 2026

6806.20.00.00 Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

68.06.2000

Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 2 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

All 2 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 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).

See the 1 US line

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

6806.20.00.00

Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69, Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, 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.