Code 2842 10 · Heading 2842

Double or complex silicates, including aluminosilicates, excluding mercury compounds

This covers double or complex silicates of inorganic acids or peroxoacids, including aluminosilicates, whether or not they are chemically defined. It excludes inorganic or organic mercury compounds, even when they are chemically defined.

For example

A double silicate of inorganic acids
A complex aluminosilicate

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See the official tariff text

Official tariff text

Double or complex silicates of inorganic acids or peroxoacids, incl. aluminosilicates whether or not chemically defined (excl. inorganic or organic compounds of mercury whether or not chemically defined)

The path to this code

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

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 28 Inorganic chemicals; organic or inorganic compounds… 1 of 11 chapters in section VI
Which named chemical or chemical family best describes the product—for example a metal, acid, oxide, salt, isotope, compound or another substance listed under this category?
✓
Step 3 · Heading 2842 Salts of inorganic acids or peroxoacids, incl. alum… 41 of 50 headings under chapter 28
Is it a double or complex silicate of an inorganic acid or peroxyacid, including an aluminosilicate?
✓
Step 4 · Subheading 2842 10 Double or complex silicates of inorganic acids or p… 1 of 2 subheadings under heading 2842
Is it a double or complex silicate, including an aluminosilicate, and not an inorganic or organic mercury compound?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

2842 10 00 Double or complex silicates of inorganic acids or peroxoacids, incl. aluminosilicates whether or not chemically defined (excl. inorganic or organic compounds of mercury whether or not chemically defined) 5.5% Save

Compare the sibling codes

2842 10 Double or complex silicates of inorganic acids or peroxoacids, incl. aluminosilicates whether or not chemically defined (excl. inorganic or organic compounds of mercury whether or not chemically defined) you are here 5.5%
2842 90 Salts of inorganic acids or peroxoacids, n.e.s. 5.3–5.5%

Export to Norway

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

28.42.1000

Double or complex silicates, including aluminosilicates whether or not chemically defined

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 5 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).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 2 codes at this level

you are here 2842 10

Double or complex silicates of inorganic acids or peroxoacids, incl. …

Next code 2842 90

Salts of inorganic acids or peroxoacids, n.e.s.

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.