HTS Code · Chapter 68 · Updated Nov 6, 2026

6815.91.00.71Articles of stone or of other mineral substances

Also written 6815910071 and 6815.91.0071

HTS Code 6815.91.00.71 covers any article best defined as Articles of Stone, Plaster, Cement, Asbestos, Mica or Similar Materials; Ceramic Products; Glass and GlasswareArticles of stone, plaster, cement, asbestos, mica or similar materialsArticles of stone or of other mineral substances (including carbon fibers, articles of carbon fibers and articles of peat), not elsewhere specified or included:Other articles:Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromiteOther in the Harmonized Tariff Schedule.

From China, the total duty on 6815.91.00.71 last changed on Jul 24, 2026, from 35% to 37.5%. It has changed 2 times since Nov 17, 2025.

Estimated Duty on 6815.91.00.71

$10,000.00 by ocean, entered Nov 6, 2026

Country of origin

China

Total duty: 37.5%; $3,750.00 on this shipment
Fees: 0.47%; MPF + HMF · $47.14
Duty + fees: 37.97%; Payable to CBP
Landed cost: $13,797.14; On $10,000.00 customs value

Section 301 – China25%
Section 301 – Forced Labor12.5%
Customs fees0.47%

Chapter 99 lines9903.88.03 Section 301 China: List 39903.05.31 Section 301 Forced Labor – China

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Base Duty Rates for 6815.91.00.71

Set at 6815.91.00 in the Harmonized Tariff Schedule

General Rate of Duty: Free
Special Rate of Duty: —
Column 2 (Non-NTR): 30%
Units of Quantity: kg

Total duty by countryAll 20 →

China37.5%
Mexico10%
Canada10%
Vietnam12.5%
Germany10%

AD/CVD Cases

Antidumping or countervailing duty orders and investigations whose scope lists 6815.91.00.71 or a related code. They apply only to goods from the countries named, and only if the product fits the scope's description.

Certain Magnesia Carbon BricksFrom China, MexicoScope in the Federal Register

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Top origins · US imports 2025

Top Origins: Countries the US Imports HTS 6815.91.00.71 From

In 2025 the US imported $25M of articles of stone or of other mineral substances (HTS 6815.91.00.71), up 419% on 2024, mostly from Austria (52%), Spain (18%) and China (12%). Each country's total duty today is shown beside its imports.

Country of origin	US imports, 2025	Share	vs 2024	Total duty today
Austria	$13M	52%	4877%	10%
Spain	$5M	18%	4279%	10%
China	$3M	12%	137%	37.5%
France	$2M	7%	6831%	10%
Norway	$791K	3%	25%	12.5%
Brazil	$454K	2%	205%	37.5%
Canada	$403K	2%	29%	10%0% with USMCA
India	$271K	1%	5%	10%
Germany	$253K	1%	584%	10%
Pakistan	$252K	1%	500%	10%

Source: U.S. Census Bureau, general imports. Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Tariffs by country · Nov 6, 2026

US Import Duty on HTS 6815.91.00.71 by Country of Origin

As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Mexico, Canada and 11 more.

Total duty from China

37.5%

Base rate plus 2 additional tariffs

Lowest total duty

10%

From Mexico, Canada and 11 more

Countries with additional tariffs

20 of 20

Section 232, 301 and other Chapter 99 duties

Country of origin	Base rate	Additional tariffs	Total duty
China	Free	Section 301 – China25%9903.88.03 Section 301 – Forced Labor12.5%9903.05.31	37.5%
Mexico	Free	Section 301 – Forced Labor10%9903.05.55	10%0% with USMCA
Canada	Free	Section 301 – Forced Labor10%9903.05.29	10%0% with USMCA
Vietnam	Free	Section 301 – Forced Labor12.5%9903.05.84	12.5%
Germany	Free	Section 301 – Forced Labor10%9903.05.39	10%
Japan	Free	Section 301 – Forced Labor12.5%9903.05.49	12.5%
South Korea	Free	Section 301 – Forced Labor12.5%9903.05.71	12.5%
Taiwan	Free	Section 301 – Forced Labor10%9903.05.76	10%
India	Free	Section 301 – Forced Labor10%9903.05.44	10%
Ireland	Free	Section 301 – Forced Labor10%9903.05.39	10%
Italy	Free	Section 301 – Forced Labor10%9903.05.39	10%
Switzerland	Free	Section 301 – Forced Labor12.5%9903.05.74	12.5%
Thailand	Free	Section 301 – Forced Labor12.5%9903.05.77	12.5%
Malaysia	Free	Section 301 – Forced Labor10%9903.05.54	10%
United Kingdom	Free	Section 301 – Forced Labor10%9903.05.81	10%
France	Free	Section 301 – Forced Labor10%9903.05.39	10%
Indonesia	Free	Section 301 – Forced Labor10%9903.05.45	10%
Brazil	Free	Section 301 – Brazil25%9903.05.01 Section 301 – Forced Labor12.5%9903.05.27	37.5%
Bangladesh	Free	Section 301 – Forced Labor10%9903.05.26	10%
Cambodia	Free	Section 301 – Forced Labor10%9903.05.28	10%

Duty from each country, in words

As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Canada pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Germany pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Japan pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from South Korea pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Taiwan pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from India pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Ireland pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Italy pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Switzerland pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Thailand pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Malaysia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from United Kingdom pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from France pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Indonesia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Brazil pay 37.5% in duties: a duty-free base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Bangladesh pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Cambodia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).

Duties on goods entered Nov 6, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties (AD/CVD); with a free account, the calculator checks the AD/CVD cases that may cover your import. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.

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New tariff action affects 1 of your imports

6815.91.00.71from China37.5% → 47.5%

Its rate today, if a new 10% tariff were added

Legal notes

Relevant HTS Notes

Official USITC notes that may affect classification under HTS 6815.91.00.71.

Chapter 68 Notes (includes Section 13 Notes)Articles of stone, plaster, cement, asbestos, mica or similar materials

CBP rulings

Search CROSS Rulings for HTS 6815.91.00.71

See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 6815.91.00.

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Questions

HTS 6815.91.00.71 FAQ

Something else? Ask us.

What does HTS code 6815.91.00.71 cover?

HTS code 6815.91.00.71 covers articles of stone or of other mineral substances (Other), classified under Chapter 68 (Articles of stone, plaster, cement, asbestos, mica or similar materials) in the US Harmonized Tariff Schedule. The general duty rate is Free.

What is the duty rate for HTS 6815.91.00.71?

The general (Column 1) rate of duty for HTS 6815.91.00.71 is Free. The Column 2 rate, for countries without normal trade relations, is 30%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.

What is the US tariff on articles of stone or of other mineral substances (HTS 6815.91.00.71) from China?

What is the US tariff on articles of stone or of other mineral substances (HTS 6815.91.00.71) from Vietnam?

As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).

What is the US tariff on articles of stone or of other mineral substances (HTS 6815.91.00.71) from Mexico?

As of Nov 6, 2026, US imports of articles of stone or of other mineral substances (HTS 6815.91.00.71) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.

Where does the US import HTS 6815.91.00.71 from?

In 2025 the US imported $25M of articles of stone or of other mineral substances under HTS 6815.91.00.71, mostly from Austria (52%), Spain (18%) and China (12%), according to U.S. Census Bureau import data.

Which country has the lowest US duty on HTS 6815.91.00.71?

Of the 20 largest sources of US imports, the lowest total duty on HTS 6815.91.00.71 is 10%, from Mexico, Canada and 11 more, as of the tariffs in effect on 2026-11-06.

Do antidumping or countervailing duties apply to HTS 6815.91.00.71?

They may. Antidumping or countervailing duty (AD/CVD) cases whose scope lists HTS 6815.91.00.71 or a related code cover certain magnesia carbon bricks from China and Mexico. A case applies only to goods from the countries it names that fit the scope's written description, and its duty is on top of the regular duty. With a free HTS Hero account, the duty calculator checks the cases and new petitions that may cover your import and shows the deposit rates Commerce set and the companies named.

Sources

Primary Sources

The official documents behind the rates and tariffs on this page. Duties are worked out from them as of Revision 20 (2026); check the legal text before you file.