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HSChapter 25
U.S. imports of natural barium sulfate (barytes) (HS 251110) totaled $15.6M in July 2026, traded with 14 countries.
Importers of Natural Barium Sulfate (Barytes) paid $128K in duties in July 2026 — an effective duty rate of 2.3% on $5.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Natural Barium Sulfate (Barytes) imports of $15.6M in July 2026 ran 18% below the year-to-date monthly average of $19.1M.
Last updated: July 2026 dataBarytes — the naturally occurring mineral form of barium sulfate — is a high-density, chemically inert industrial mineral whose dominant use is as a weighting agent in oil and gas drilling fluids, where its specific gravity is critical to wellbore pressure control. The US tariff schedule distinguishes ground barytes (2511101000) from unground material (2511105000), reflecting the significant value-add of milling to API-grade particle specifications required by the drilling industry. Importers should be aware that API Specification 13A sets the purity and particle-size standards that determine whether a shipment qualifies for drilling-grade pricing.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
970 shipments/mo
Drilling-grade barytes must conform to API Specification 13A, which sets minimum specific gravity (typically 4.20 g/cm³), maximum soluble alkaline earth metals, and particle-size distribution requirements. Material that does not meet these thresholds is typically redirected to paint, coatings, or rubber applications.
Ground barytes (2511101000) and unground barytes (2511105000) are assessed separately under the US tariff schedule. Since grinding to API-grade specification is a substantial processing step, importers should ensure the product's physical form and particle-size documentation align with the declared tariff line to avoid reclassification at the port of entry.
Subheading 1 of 2 in heading 2511
Subheading 251110 · $15.6M of $15.6M
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ImportsExports
Imports
$15.6MYoY · Pro
Exports
$2.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2511105000 | Natural Barium Sulfate (Barytes) Except Ground | $11.3M | 1.10% | 49.88% | $124K |
| 2511101000 | Natural Barium Sulfate (Barytes) Ground | $4.3M | 0.07% | 0.75% | $3K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2511100000 | Natural Barium Sulfate (Barytes) | $2.0M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Morocco and India together supply 67% of it.
customs district
destination
entry
rate provision · imports
31.9% enters free of duty; the effective duty rate is 0.82%.