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HTS Code · Chapter 25 · Updated Nov 9, 2026

2529.21.00.00Fluorspar

Also written 2529210000 and 2529.21.0000

HTS Code 2529.21.00.00 covers any article best defined as Mineral ProductsSalt; sulfur; earths and stone; plastering materials, lime and cementFeldspar; leucite, nepheline and nepheline syenite; fluorspar:Fluorspar:Containing by weight 97 percent or less of calcium fluoride in the Harmonized Tariff Schedule.

As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from China pay a duty-free base rate, with no additional tariffs.

From China, the total duty on 2529.21.00.00 last changed on Feb 24, 2026, from 10% to 0%. It has changed 1 time since Nov 17, 2025.

Estimated Duty on 2529.21.00.00

$10,000.00 by ocean, entered Nov 9, 2026

China
Total duty
0%
$0.00 on this shipment
Fees
0.47%
MPF + HMF · $47.14
Duty + fees
0.47%
Payable to CBP
Landed cost
$10,047.14
On $10,000.00 customs value
  • Customs fees0.47%

3 exemptions could lower this

Check them against your real shipment details.

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Base Duty Rates for 2529.21.00.00

From the Harmonized Tariff Schedule

General Rate of Duty
Free
Special Rate of Duty
—
Column 2 (Non-NTR)
13.5%
Units of Quantity
t
Total duty by countryAll 20 →
  • China0%
  • Mexico0%
  • Canada0%
  • Vietnam0%
  • Germany0%

Tariff updates

Recent US tariff actions that name 2529.21.00.00 or its heading.

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Top origins · US imports 2025

Top Origins: Countries the US Imports HTS 2529.21.00.00 From

In 2025 the US imported $8M of fluorspar (HTS 2529.21.00.00), down 14% on 2024, mostly from China (54%), Mexico (22%) and Mongolia (14%). Each country's total duty today is shown beside its imports.

Country of originUS imports, 2025Sharevs 2024Total duty today
China$4M54%38%0%
Mexico$2M22%17%0%
Mongolia$1M14%428%0%
Pakistan$732K9%1308%0%
Thailand$31K0%New0%
Namibia$16K0%New0%

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 9, 2026

US Import Duty on HTS 2529.21.00.00 by Country of Origin

As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from China pay a duty-free base rate, with no additional tariffs. Of the 20 largest sources of US imports, the lowest total is 0%, from China, Mexico and 18 more.

Total duty from China
0%
Base rate only
Lowest total duty
0%
From China, Mexico and 18 more
Countries with additional tariffs
0 of 20
Section 232, 301 and other Chapter 99 duties
Country of originBase rateAdditional tariffsTotal duty
ChinaFreeNone0%
MexicoFreeNone0%
CanadaFreeNone0%
VietnamFreeNone0%
GermanyFreeNone0%
JapanFreeNone0%
South KoreaFreeNone0%
TaiwanFreeNone0%
IndiaFreeNone0%
IrelandFreeNone0%
ItalyFreeNone0%
SwitzerlandFreeNone0%
ThailandFreeNone0%
MalaysiaFreeNone0%
United KingdomFreeNone0%
FranceFreeNone0%
IndonesiaFreeNone0%
BrazilFreeNone0%
BangladeshFreeNone0%
CambodiaFreeNone0%
Duty from each country, in words
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from China pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Mexico pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Canada pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Vietnam pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Germany pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Japan pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from South Korea pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Taiwan pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from India pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Ireland pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Italy pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Switzerland pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Thailand pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Malaysia pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from United Kingdom pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from France pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Indonesia pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Brazil pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Bangladesh pay a duty-free base rate, with no additional tariffs.
  • As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Cambodia pay a duty-free base rate, with no additional tariffs.

Duties on goods entered Nov 9, 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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Example alert

New tariff action affects 1 of your imports

2529.21.00.00from China0% → 10%

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

Related codes

Other HTS Codes at This Level

Legal notes

Relevant HTS Notes

Official USITC notes that may affect classification under HTS 2529.21.00.00.

CBP rulings

Search CROSS Rulings for HTS 2529.21.00.00

See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 2529.21.00.

Search CROSS for 2529.21.00(opens rulings.cbp.gov in a new tab)

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Questions

HTS 2529.21.00.00 FAQ

Something else? Ask us.

What does HTS code 2529.21.00.00 cover?

HTS code 2529.21.00.00 covers fluorspar (Containing by weight 97 percent or less of calcium fluoride), classified under Chapter 25 (Salt; sulfur; earths and stone; plastering materials, lime and cement) in the US Harmonized Tariff Schedule. The general duty rate is Free.

What is the duty rate for HTS 2529.21.00.00?

The general (Column 1) rate of duty for HTS 2529.21.00.00 is Free. The Column 2 rate, for countries without normal trade relations, is 13.5%. 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 fluorspar (HTS 2529.21.00.00) from China?

As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from China pay a duty-free base rate, with no additional tariffs.

What is the US tariff on fluorspar (HTS 2529.21.00.00) from Vietnam?

As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Vietnam pay a duty-free base rate, with no additional tariffs.

What is the US tariff on fluorspar (HTS 2529.21.00.00) from Mexico?

As of Nov 9, 2026, US imports of fluorspar (HTS 2529.21.00.00) from Mexico pay a duty-free base rate, with no additional tariffs.

Where does the US import HTS 2529.21.00.00 from?

In 2025 the US imported $8M of fluorspar under HTS 2529.21.00.00, mostly from China (54%), Mexico (22%) and Mongolia (14%), according to U.S. Census Bureau import data.

Which country has the lowest US duty on HTS 2529.21.00.00?

Of the 20 largest sources of US imports, the lowest total duty on HTS 2529.21.00.00 is 0%, from China, Mexico and 18 more, as of the tariffs in effect on 2026-11-09.

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.