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HTS 2511 Chapter 25 Section V Synced Apr 28, 2026

Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:

Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:

Base HTS duty
Column 1 General
Effective (China)
15%
Ch. 99
Stacked measures
1
at China
Last change
2 months
Ch. 99 15.0%

What this covers

Natural barium sulfate (barytes) and natural barium carbonate (witherite), whether or not calcined, excluding barium oxide, are classified under this heading for use as raw mineral materials.

barium sulfate powder witherite ore barium carbonate raw material barytes concentrate
Duty stack · origin china

How the 15.0% is built.

0%3.8%7.7%11.5%15.4%
122 · 15.0%
Section 122
All origins except · 9903.01.80
+15.00%
MPF (merchandise processing)
0.3464% · min $31.67 / max $614.35
+0.35%
Effective ad valorem duty (excl. fees)
15.00%
Stacking order
  1. 1
    Apply base HTS rate
    Column 1 General (MFN) or Special (FTA)
  2. 2
    Add Section 301 (if origin qualifies)
    Chapter 99 subheading layered on
  3. 3
    Add IEEPA / 232 surcharges
    Country-scoped emergency measures
  4. 4
    Add MPF & HMF fees
    Applied to entered value

You may also consider

  • 2511.00

    Parent heading for natural barium sulfate and carbonate.

  • 2816.10

    Adjacent classification for barium oxide, excluded from this heading.

Related trade news

Origin matters

Rate by country of origin

Same HTS, very different landed cost. Here's how 2511 looks from the top trading partners — on a $10,000 shipment.

FTA partner Section 301 IEEPA in effect
Rates from last sync on Apr 28, 2026 · assumes entered value $10,000 · fees (MPF/HMF) excluded from the comparison above.
Questions about 2511

FAQ for this HTS code.

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:". It determines base duty rates for imports; additional duties may apply by country of origin.

Does origin affect duty?

Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.

How do I compute total duty?

Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.

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We'll email you within an hour of any measure affecting this code.
Tariff data is informational; final determinations are made by CBP.
HTS 2511 · synced Apr 28, 2026 14:34 UTC