Code 3825 90 · Heading 3825

Other chemical-industry residues, not waste

This code covers residues from the chemical and related industries that are not waste and are not covered by a more specific product class in this group. It does not cover municipal waste, sewage sludge, clinical waste, waste solvents, specified waste liquids, or the separately listed residue types.

For example

A chemical-industry residue that is not waste, not municipal waste, sewage sludge or clinical waste, not a waste solvent or specified waste liquid, and not mainly organic

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See the official tariff text

Official tariff text

Residual products of the chemical or allied industries, n.e.s. (excl. waste)

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 38 Miscellaneous chemical products 11 of 11 chapters in section VI
Which specific product type is it: a carbon or mineral product, resin or terpentine product, pesticide, textile, paper or leather treatment, soldering or welding preparation, oil or fuel additive, rubber or plastic additive, fire-extinguishing preparation, solvent or paint remover, catalyst, refractory product, alkylbenzene or alkylnaphthalene mixture, doped electronic material, hydraulic fluid, antifreeze or de-icing liquid, culture substrate, diagnostic or laboratory reagent, fatty acid or fatty alcohol, foundry binder or other chemical preparation, chemical waste, biodiesel, or a mixture containing halogenated methane, ethane or propane derivatives?
✓
Step 3 · Heading 3825 Residual products of the chemical or allied industr… 25 of 27 headings under chapter 38
Which named waste type is it: municipal waste, sewage sludge, clinical waste, halogenated or non-halogenated waste organic solvents, specified waste liquids, chemical-industry waste mainly containing organic substances, other chemical-industry waste, or other specified chemical-industry waste?
✓
Step 4 · Subheading 3825 90 Residual products of the chemical or allied industr… 9 of 9 subheadings under heading 3825
Is it alkaline iron oxide “gas-cleaning mass”?

This is the catch-all under 3825: it covers what the sibling codes below do not.

This is the remainder for chemical and related industry residues that are not waste and do not belong to any sibling class, including municipal waste, sewage sludge, clinical waste, waste solvents, specified waste liquids, or mainly organic residues.

Full 8-digit codes

Pick the description that best matches your product.

2 codes below this one

Compare the sibling codes

3825 10 Municipal waste 6.5%
3825 20 Sewage sludge 6.5%
3825 30 Clinical waste 6.5%
3825 41 Waste organic solvents, halogenated 6.5%
3825 49 Waste organic solvents, non-halogenated 6.5%
3825 50 Wastes of metal pickling liquors, of hydraulic fluids, brake fluids and anti-freeze fluids 6.5%
3825 61 Wastes from chemical or allied industries, mainly containing organic constituents (excl. anti-freeze fluids) 6.5%
3825 69 Wastes from chemical or allied industries (excl. wastes of metal pickling liquors, of hydraulic fluids, brake fluids and anti-freeze fluids and those mainly containing organic constituents) 6.5%
3825 90 Residual products of the chemical or allied industries, n.e.s. (excl. waste) you are here 5.0–6.5%

Export to Norway

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

38.25.9000

Other

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 2 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 9 codes at this level

Previous code 3825 69

Wastes from chemical or allied industries (excl. wastes of metal pick…

you are here 3825 90

Residual products of the chemical or allied industries, n.e.s. (excl.…

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.