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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 2836.92

Strontium carbonate

In short

  • The US imported $11.4M of this product over the 12 months to August 2026, up 17% on the year before.
  • Germany is the largest supplier, with 83.0% of US imports; Mexico is next, with 9.5%.
  • Germany has the lowest price, but landed at a US port with freight and duty Mexico is cheaper: $2.00/kg against $2.06/kg.
  • Duty paid averaged 4.9% of the value of imports in August 2026, up 4.9 points on a year earlier.
  • Germany is gaining share: 92.6% over the last 12 months, up from 84.1%.
  • 3 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$813K

↑ +72% vs Aug 2025

Last 12 months

$11.4M

↑ +17% vs the 12 months before

Average duty paid

4.9%

↑ +4.9 pts vs Aug 2025

Top supplier

Germany

83.0% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAug
Show the numbers
MonthUS imports
August 2025$472K
September 2025$1.3M
October 2025$928K
November 2025$950K
December 2025$1.0M
January 2026$582K
February 2026$442K
March 2026$1.6M
April 2026$766K
May 2026$1.0M
June 2026$1.1M
July 2026$869K
August 2026$813K

What changed

  • US imports were $813K in August 2026, down 6.4% from July 2026 and up 72% from August 2025.
  • Over the 12 months to August 2026 they totalled $11.4M, up 17% on the 12 months before.
  • Biggest moves in market share since July 2026: Mexico up from 4.0% to 9.5%, Germany down from 96.0% to 83.0%.
  • Average prices from the top 2 suppliers stayed within 5% of July 2026.
  • Duty paid by the main suppliers held within 2 points of July 2026.

US trade by year

US imports were $11.4M in the 12 months to Aug 2026, up 69% on the 12 months to Aug 2017. US exports were $265K, up 110%.

2017201820192020202120222023202420252026
Show the numbers
PeriodUS imports
12 months to Aug 2017$6.7M
12 months to Aug 2018$7.5M
12 months to Aug 2019$8.4M
12 months to Aug 2020$6.7M
12 months to Aug 2021$6.7M
12 months to Aug 2022$9.4M
12 months to Aug 2023$11.2M
12 months to Aug 2024$8.4M
12 months to Aug 2025$9.7M
12 months to Aug 2026$11.4M
  • Germany
  • Mexico
  • China
  • Spain
  • All countries
Share of US imports
Show the numbers
PeriodGermanyMexicoChinaSpain
12 months to Aug 201749.7%44.2%5.1%0.1%
12 months to Aug 201847.9%45.7%2.6%2.1%
12 months to Aug 201940.5%55.8%0.7%0.2%
12 months to Aug 202047.3%51.0%1.6%0.1%
12 months to Aug 202169.6%27.8%2.6%0.0%
12 months to Aug 202257.3%41.4%0.9%0.1%
12 months to Aug 202366.3%32.6%0.7%0.1%
12 months to Aug 202470.7%28.1%0.3%0.1%
12 months to Aug 202584.1%14.3%1.2%0.1%
12 months to Aug 202692.6%2.8%2.1%1.7%
Duty paid, % of value
Show the numbers
PeriodGermanyMexicoChinaSpainAll countries
12 months to Aug 20174.2%0.0%4.2%4.2%2.3%
12 months to Aug 20184.2%0.0%4.2%4.2%2.3%
12 months to Aug 20194.2%0.0%14.2%4.2%1.9%
12 months to Aug 20204.2%0.0%29.2%4.2%2.4%
12 months to Aug 20214.2%0.0%29.2%n/a3.7%
12 months to Aug 20224.2%0.0%29.2%4.2%2.7%
12 months to Aug 20234.2%0.0%29.2%4.2%3.0%
12 months to Aug 20244.2%0.0%29.2%4.2%3.1%
12 months to Aug 20253.7%0.0%37.5%0.0%3.6%
12 months to Aug 20262.4%0.5%34.0%4.0%3.0%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$11.4M+17%3.0%−0.5 pts$265K+110%
12 months to Aug 2025$9.7M+14%3.6%+0.5 pts$126K+38%
12 months to Aug 2024$8.4M−25%3.1%+0.1 pts$92K−49%
12 months to Aug 2023$11.2M+19%3.0%+0.3 pts$179K+30%
12 months to Aug 2022$9.4M+41%2.7%−1.0 pts$137K+103%
12 months to Aug 2021$6.7M+0.3%3.7%+1.2 pts$68K−5.3%
12 months to Aug 2020$6.7M−21%2.4%+0.5 pts$71K+27%
12 months to Aug 2019$8.4M+13%1.9%−0.4 pts$56K+39%
12 months to Aug 2018$7.5M+11%2.3%−0.1 pts$40K−68%
12 months to Aug 2017$6.7M2.3%$126K

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Germany$675K83.0%−15.8 pts$1.88/kg−4.8%4.2%+4.2 pts
Mexico$77K9.5%new$2.02/kg0.0%
Italy$33K4.0%new$13.61/kg10.0%
China$28K3.5%new$1.42/kg29.2%
All countries$813K100.0%$1.94/kg−1.8%4.9%+4.9 pts

The 3 largest suppliers had 97.4% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
Mexico$2.00/kg$0.00/kg0.0% of price$0.00/kg0.0% of price$2.00/kg−29%
Germany$1.88/kg$0.10/kg5.4% of price$0.08/kg4.2% of price$2.06/kg−2.5%
All countries$1.89/kg$0.10/kg5.2% of price$0.08/kg4.4% of price$2.07/kg−2.7%

Landed at a US port, Mexico was cheapest, at $2.00/kg: 2.8% below Germany.

Germany had the lowest price before freight and duty, $1.88/kg, but they added 9.6% to it.

Landed cost from Mexico fell 29% on a year earlier, to $2.00/kg, mostly on price: $2.65/kg then, $2.00/kg now.

How the market is shifting

Germany gained the most share: 92.6% of US imports over the last 12 months, up from 84.1% in the 12 months before. Mexico lost the most: 2.8%, down from 14.3%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Germany
  • Mexico
  • China
  • Spain
  • All countries
Share of US imports
Show the numbers
MonthGermanyMexicoChinaSpain
September 202464.4%34.4%1.2%0.0%
October 202478.6%18.8%2.6%0.0%
November 202462.3%33.9%3.8%0.0%
December 202457.4%40.0%2.6%0.0%
January 202567.0%32.4%0.0%0.0%
February 202580.4%19.6%0.0%0.0%
March 202599.3%0.0%0.7%0.0%
April 202596.3%0.0%2.4%0.0%
May 202598.9%0.0%0.8%0.0%
June 202599.4%0.0%0.6%0.0%
July 202598.7%1.3%0.0%0.0%
August 202598.9%0.0%0.0%1.1%
September 202599.2%0.8%0.0%0.0%
October 202596.8%1.0%0.0%0.0%
November 202594.3%0.0%5.7%0.0%
December 202599.8%0.0%0.0%0.0%
January 202685.2%0.0%10.2%1.2%
February 2026100.0%0.0%0.0%0.0%
March 202685.1%2.4%0.0%11.6%
April 202676.6%18.6%4.8%0.0%
May 202695.0%0.0%5.0%0.0%
June 202698.3%0.0%0.6%0.0%
July 202696.0%4.0%0.0%0.0%
August 202683.0%9.5%3.5%0.0%
Duty paid, % of value
Show the numbers
MonthGermanyMexicoChinaSpainAll countries
September 20244.2%0.0%29.2%n/a3.1%
October 20244.2%0.0%29.2%n/a4.1%
November 20244.2%0.0%29.2%n/a3.7%
December 20244.2%0.0%29.2%n/a3.2%
January 20254.2%0.0%n/an/a2.8%
February 20254.2%0.0%n/an/a3.4%
March 20254.2%n/a49.2%n/a4.5%
April 20254.2%n/a49.2%n/a5.3%
May 20254.2%n/a49.2%n/a4.6%
June 20254.2%n/a49.2%n/a4.5%
July 20251.3%0.0%n/an/a1.3%
August 20250.0%n/an/a0.0%0.0%
September 20250.0%0.0%n/an/a0.0%
October 20250.0%0.0%n/an/a0.0%
November 20250.0%n/a39.2%n/a2.2%
December 20250.0%n/an/an/a0.0%
January 20260.0%n/a39.2%0.0%4.4%
February 20264.2%n/an/an/a4.2%
March 20264.2%4.2%n/a4.2%4.2%
April 20264.2%0.0%29.2%n/a4.6%
May 20264.2%n/a29.2%n/a5.5%
June 20264.2%n/a29.2%n/a4.4%
July 20264.2%0.0%n/an/a4.0%
August 20264.2%0.0%29.2%n/a4.9%

Tariff actions touching this product

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 2836.92

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Ogdensburg, NY$5.5M · 48.5%
  2. Newark, NJ$3.1M · 27.5%
  3. Savannah, GA$841K · 7.4%
  4. Champlain-Rouses Point, NY$513K · 4.5%
  5. Baltimore, MD$293K · 2.6%

Where US exports go

US exports were $8K in August 2026, down 45% from August 2025, and $265K over the last 12 months, up 110% on the 12 months before.

MarketLast 12 monthsSharevs 12 months before
Thailand$234K88.4%new
United Kingdom$15K5.9%−40%
India$8K3.2%new
Germany$4K1.6%+6.4%
Canada$3K1.1%−75%
All countries$265K100.0%+110%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 58 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
China$23.9Min 2025+7.3%$8410.0%
Korea, South$14.4Min 2025−24%$3K0.0%
Japan$8.8Min 2025+0.4%$00.0%
Taiwan$8.2Min 2024−0.4%$3120.0%
India$5.6Min 2025+21%$2K0.0%
Italy$5.0Min 2025+40%$00.0%
Spain$4.5Min 2025+66%$9920.0%
France$2.9Min 2025+5.1%$9270.0%

The biggest market outside the US is China, which imported $23.9M of this product in 2025, under 0.1% of it from the US.

Of these, imports into Spain grew fastest: up 66% from 2024 to 2025.

Other products under heading 2836: carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Disodium carbonateHS 2836.20$6.2M$1.22B
Lithium carbonatesHS 2836.91$153.8M$28.2M
Carbonates, not elsewhere specified; peroxocarbonates (percarbonates)HS 2836.99$109.8M$46.9M
Sodium hydrogencarbonate (sodium bicarbonate)HS 2836.30$19.4M$101.1M
Calcium carbonateHS 2836.50$28.5M$45.2M
Potassium carbonatesHS 2836.40$16.8M$38.8M
Barium carbonateHS 2836.60$12.4M$1.2M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Tariff notices are from the Federal Register, matched to this product by the HTS numbers in their text.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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