This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

United States Customs Tariff for HS Code 284443

Radioactive elements, isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

USITC 2026 HTS Revision 19

26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.

Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.

Official schedule and source documentation

Official entries matching 284443

2844.43.00

Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Column 1 — General: Free
Column 1 — Special (eligibility required): No amount printed on this row; not a confirmed zero.
Column 2: Free

Official source for this code

2844.43.00.10

Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: › Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: › Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Elements, isotopes and compounds with cobalt-60 radioactivity only

Source units: GBq

Column 1 — General: No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required): No amount printed on this row; not a confirmed zero.
Column 2: No amount printed on this row; not a confirmed zero.

Parent tariff line 2844.43.00 — read its printed duties and notes

Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Column 1 — General: Free
Column 1 — Special (eligibility required): No amount printed.
Column 2: Free

Open parent line in the official schedule

Official source for this code

2844.43.00.21

Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169

Source units: GBq

Column 1 — General: No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required): No amount printed on this row; not a confirmed zero.
Column 2: No amount printed on this row; not a confirmed zero.

Parent tariff line 2844.43.00 — read its printed duties and notes

Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Column 1 — General: Free
Column 1 — Special (eligibility required): No amount printed.
Column 2: Free

Open parent line in the official schedule

Official source for this code

2844.43.00.28

Other

Source units: GBq

Column 1 — General: No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required): No amount printed on this row; not a confirmed zero.
Column 2: No amount printed on this row; not a confirmed zero.

Parent tariff line 2844.43.00 — read its printed duties and notes

Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Column 1 — General: Free
Column 1 — Special (eligibility required): No amount printed.
Column 2: Free

Open parent line in the official schedule

Official source for this code

2844.43.00.50

Other

Source units: kg

Column 1 — General: No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required): No amount printed on this row; not a confirmed zero.
Column 2: No amount printed on this row; not a confirmed zero.

Parent tariff line 2844.43.00 — read its printed duties and notes

Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds

Column 1 — General: Free
Column 1 — Special (eligibility required): No amount printed.
Column 2: Free

Open parent line in the official schedule

Official source for this code

WITS 2023 historical MFN average

Reported average: 0%.

Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.

National lines included: 1 of 1. Excluded from the average: 0.

Reported ad-valorem range: 0%–0%.

Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.

Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.

WITS observation for this code and year

UN Comtrade H6 descriptions (HS 2022)

WITS API definitions: reported averages and excluded national lines

Direct HS code answer for United States

United States HS Code 284443: 0.00% (2023 MFN average)

The source reports an indicative HS6 MFN average of 0.00% (2023 MFN average) for Radioactive elements, isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.

Browse chapter 28 Search parent HS 284443 Request import report

Customs tariff summary

Country: United States
HS / tariff code: 284443
Description: Radioactive elements, isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds
Chapter: 28 —
Heading: 2844
Subheading: 284443
Indicative MFN HS6 average: 0.00% (2023 MFN average)
VAT / tax: Check local VAT and excise rules for the import destination.
Unit / basis: Not listed in this tariff line
Source / vintage: WITS / UNCTAD TRAINS — 2023 MFN HS6 reference

Historical MFN average

0.00% (2023 MFN average)

Import permission

not assessed

Import planning

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Details

HS Code: 284443
Chapter: 28 —
Heading: 2844
Subheading: 284443

Compare HS code 284443 across GCC countries

Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.

Saudi ArabiaSearch parent HS 284443 United Arab EmiratesSearch parent HS 284443 OmanSearch parent HS 284443 QatarSearch parent HS 284443 KuwaitSearch parent HS 284443 BahrainSearch parent HS 284443

Related HS Codes (Heading 2844)

HS Code	Description	Duty
284410	Uranium; natural uranium and its compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds	3.33% (2023 MFN average)WITS 2023 historical MFN average
284420	Uranium; enriched in U235, plutonium, their compounds, alloys dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products	0.00% (2023 MFN average)WITS 2023 historical MFN average
284430	Uranium; depleted in U235, thorium, their compounds, alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium; compounds of these products	3.50% (2023 MFN average)WITS 2023 historical MFN average
284441	Radioactive elements; tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds	0.00% (2023 MFN average)WITS 2023 historical MFN average
284442	Radioactive elements; actinium-225, 227, californium-253, curium-240, 241, 242, 243, 244, einsteinium-253, 254, gadolinium-148, polonium-208, 209, 210, radium-223, uranium-230 or 232, compounds; alloys, dispersions, ceramic products and mixtures	0.00% (2023 MFN average)WITS 2023 historical MFN average
284444	Radioactive elements, isotopes, compounds n.e.c. in heading no. 2844, alloys, dispersions (including cermets), ceramic products, mixtures containing the elements, isotopes, compounds; radioactive residues	0.00% (2023 MFN average)WITS 2023 historical MFN average
284450	Spent (irradiated) fuel elements (cartridges) of nuclear reactors	0.00% (2023 MFN average)WITS 2023 historical MFN average

Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.