Code 3818 00 · Heading 3818

Doped chemical elements and compounds for electronics, in wafer, plate, cylinder or rod forms, including polished or uniformly epitaxial-coated forms

This covers chemical elements doped for use in electronics as wafers, plates or similar forms, and chemical compounds doped for use in electronics as cylinders, rods or similar forms, or cut into wafers, plates or similar forms. The products may be polished or have a uniform epitaxial coating, but more processed forms, such as those made by selective diffusion, are excluded.

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See the official tariff text

Official tariff text

Chemical elements and compounds doped for use in electronics, in the form of discs, wafers, cylinders, rods or similar forms, or cut into discs, wafers or similar forms, whether or not polished or with a uniform epitaxial coating (excl. elements that have been further processed, e.g. by selective diffusion)

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4 codes below this one

• 3818 00 10 Silicium, doteret til anvendelse i elektronikken, i form af skiver, plader "wafers" eller lignende, også polerede eller overtrukket med et ensartet epitaksialt lag (undtagen mere forarbejdede former, f.eks. gennem selektiv diffusion) no longer in use Duty free^* →
• 3818 00 11 Doped silicon wafers of a thickness <=200μm, rectangular, whether or not with cut or rounded corners "photovoltaic wafers" Duty free^* → Save
• 3818 00 19 Silicon doped for use in electronics, in the form of discs, wafers, cylinders, rods or similar forms, whether or not polished or with a uniform epitaxial coating (excl. elements that have been further processed, e.g. by selective diffusion, and "photovoltaic" rectangular wafers of a thickness <=200μm) Duty free^* → Save
• 3818 00 90 Chemical elements and compounds doped for use in electronics, in the form of discs, wafers, cylinders, rods or similar forms, or cut into discs, wafers or similar forms, whether or not polished or with a uniform epitaxial coating (excl. elements that have been further processed, e.g. by selective diffusion, and doped silicon) Duty free^* → Save

Export to Norway

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

• 38.18.0000

  Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.

  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.

• All 3 UK lines under this code

  They all have the same duty rates shown here.

  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).

* 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.