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Code 2810 00 90 · Subheading 2810 00

Final code reached

Boron oxides and boric acids, other than diboron trioxide

This is a complete 8-digit customs code. There is no further code choice to make below it.

This code covers boron oxides and boric acids, except diboron trioxide. It is for products in the boron oxide or boric acid group that are not the separately listed diboron trioxide.

For example

  • Boric acid
  • A boron oxide other than diboron trioxide
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See the official tariff text

Official tariff text

Oxides of boron and boric acids (excl. diboron trioxide)

Classification complete

2810 00 90

Boron oxides and boric acids, other than diboron trioxide

The spaces only make the code easier to read. Customs declarations normally use the unspaced form, 28100090.

See how EU customs ruled on similar products

One last check

Compare the sibling codes at this level before you settle on this one.

Classification decides the rate here: from 0.0% to 3.7%.

Trade measures to be aware of

Besides the ordinary duty, the EU records these kinds of measure against this code. They are listed as signals only: whether one applies to your goods can depend on where they come from, who produced them, the exact product and the documents you present. No amounts are worked out here.

  • Lower duty for goods from some countries

    Preferential rates exist for goods originating in Andorra; San Marino; Türkiye; European Union; Economic Partnership Agreements; CARIFORUM except Haiti; Comoros (excluding Mayotte), Madagascar, Mauritius, Seychelles and dependencies and Zimbabwe; Botswana, Eswatini, Lesotho, Mozambique and Namibia; 52 more origins. Whether you can use one depends on the origin rules for the goods and on the documentation you can show.

    Check this code in the official EU TARIC database

  • Restrictions and paperwork

    Import restrictions are recorded for goods originating in any country; Ukraine; North Korea (Democratic People’s Republic of Korea); any country except Iran, Islamic Republic of; Iran, Islamic Republic of.

    Document or certificate conditions are recorded. Customs may ask for:

    • Information document accompanying shipments of waste as mentioned in Regulation (EU) 2024/1157 – Article 18 and Annex VII
    • Product not subjected to the provisions of Regulation (EU) 2024/1157
    • Movement document as mentioned in Regulation (EU) 2024/1157 – Article 5 and Annex IB
    • Notification document as mentioned in Regulation (EU) 2024/1157 - Article 5 and Annex IA
    • Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document
    • Goods not originating from or destined to Crimea or Sevastopol (Articles 2 and 2b.1 of Council Regulation (EU) No 692/2014)
    Show all 12 document conditions
    • Movement certificate EUR.1
    • Goods not originating from or not destined for the non-government controlled areas of Ukraine in the oblasts of Donetsk, Kherson, Luhansk and Zaporizhzhia
    • Goods other than those described in the footnotes linked to the measure
    • Goods not consigned from Iran
    • Import authorisation for restricted goods and technologies (Council Regulation (EU) No 267/2012)
    • Goods other than those described in the footnotes linked to the measure (Reg 267/2012)
    Check this code in the official EU TARIC database

EU tariff measure data version 2026-08-03-tullverket.

Export to Norway

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

  • 28.10.0000

    Oxides of boron; boric acids.

    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.

  • 2810 00 90 00

    Other

    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).

Before you use the code

Check the facts that sit outside the code

The code can be right while what you pay still changes, because of where the goods come from, when they arrive, or extra EU measures.

Classify your own product, free Look up the current rates and rules
  1. The product and its form Check that your product really matches this description, including what it is made of and the form it arrives in.
  2. Country of origin Trade agreements, sanctions and extra measures can change the treatment of the very same code.
  3. Current tariff measures Check today's rate, any restrictions or licences, and the quantity customs asks for, with SKAT or TARIC.

Worth comparing

Codes that sit close to this one, for when the material itself could be different.

Browse chapter 28

Similar products elsewhere in the tariff

Often confused with

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.