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

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HS 2849.10

Carbides of calcium, whether or not chemically defined

In short

  • The US imported $4.5M of this product over the 12 months to August 2026, up 35% on the year before.
  • Brazil is the largest supplier, with 100.0% of US imports.
  • Canada is the cheapest main supplier before and after freight and duty, landing at $0.63/kg.
  • Duty paid averaged 25.6% of the value of imports in August 2026.
  • Slovakia is gaining share: 43.4% over the last 12 months, up from 20.0%.
  • US exports were $10.5M over the last 12 months; the largest market is Canada, with 93.0%.

US imports, Aug 2026

$71K

Last 12 months

$4.5M

↑ +35% vs the 12 months before

Average duty paid

25.6%

Top supplier

Brazil

100.0% 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. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↑
Show the numbers
MonthUS imports
August 2025$0
September 2025$19K
October 2025$292K
November 2025$662K
December 2025$1.3M
January 2026$716K
February 2026$431K
March 2026$203K
April 2026$407K
May 2026$271K
June 2026$85K
July 2026$77K
August 2026$71K

What changed

  • US imports were $71K in August 2026, down 8.0% from July 2026.
  • Over the 12 months to August 2026 they totalled $4.5M, up 35% on the 12 months before.
  • Biggest moves in market share since July 2026: Brazil up from 85.9% to 100.0%, Canada down from 10.8% to 0.0%.
  • Average price from Brazil fell 17% since July 2026, to $0.98/kg.
  • Duty paid on imports from Brazil rose from 11.8% to 25.6% of their value since July 2026.

US trade by year

US imports were $4.5M in the 12 months to Aug 2026, up 89% on the 12 months to Aug 2017. US exports were $10.5M, down 54%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$2.4M
12 months to Aug 2018$4.4M
12 months to Aug 2019$4.1M
12 months to Aug 2020$4.1M
12 months to Aug 2021$3.6M
12 months to Aug 2022$3.9M
12 months to Aug 2023$3.8M
12 months to Aug 2024$4.4M
12 months to Aug 2025$3.4M
12 months to Aug 2026$4.5M
  • Slovakia
  • Brazil
  • Mexico
  • Canada
  • All countries
Share of US imports
Show the numbers
PeriodSlovakiaBrazilMexicoCanada
12 months to Aug 20170.0%46.4%0.0%2.7%
12 months to Aug 20180.0%39.5%0.0%1.0%
12 months to Aug 20190.0%58.6%0.0%1.2%
12 months to Aug 20207.7%47.3%0.0%1.1%
12 months to Aug 20215.7%79.2%0.0%0.0%
12 months to Aug 202245.0%50.8%0.0%1.3%
12 months to Aug 202312.8%49.9%29.1%1.8%
12 months to Aug 202447.5%49.6%0.6%1.4%
12 months to Aug 202520.0%69.8%0.6%4.2%
12 months to Aug 202643.4%41.6%11.4%3.6%
Duty paid, % of value
Show the numbers
PeriodSlovakiaBrazilMexicoCanadaAll countries
12 months to Aug 2017n/a0.0%n/a0.6%0.9%
12 months to Aug 2018n/a0.0%n/a0.0%1.0%
12 months to Aug 2019n/a0.1%n/a0.0%0.8%
12 months to Aug 20201.8%0.0%n/a0.0%2.4%
12 months to Aug 20211.8%0.0%n/an/a0.5%
12 months to Aug 20221.8%0.3%n/a0.0%1.0%
12 months to Aug 20231.8%0.2%0.0%0.0%0.5%
12 months to Aug 20241.8%0.5%1.3%0.0%1.3%
12 months to Aug 20252.8%1.2%0.0%0.0%2.3%
12 months to Aug 202615.0%28.4%0.0%0.1%18.0%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$4.5M+35%18.0%+15.7 pts$10.5M−13%
12 months to Aug 2025$3.4M−24%2.3%+1.0 pts$12.1M+24%
12 months to Aug 2024$4.4M+17%1.3%+0.9 pts$9.8M−33%
12 months to Aug 2023$3.8M−3.9%0.5%−0.6 pts$14.7M+15%
12 months to Aug 2022$3.9M+9.7%1.0%+0.5 pts$12.7M+13%
12 months to Aug 2021$3.6M−12%0.5%−1.9 pts$11.2M+11%
12 months to Aug 2020$4.1M−1.5%2.4%+1.6 pts$10.1M−6.7%
12 months to Aug 2019$4.1M−6.8%0.8%−0.2 pts$10.9M−21%
12 months to Aug 2018$4.4M+85%1.0%+0.1 pts$13.8M−39%
12 months to Aug 2017$2.4M0.9%$22.8M

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
Brazil$71K100.0%new$0.98/kg25.6%
All countries$71K100.0%$0.98/kg25.6%

The 3 largest suppliers had 96.4% 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
Canada$0.33/kg$0.30/kg90.0% of price$0.01/kg1.8% of price$0.63/kg−84%
Brazil$1.13/kg$0.24/kg20.9% of price$0.16/kg14.4% of price$1.54/kg−1.0%
All countries$1.04/kg$0.25/kg23.7% of price$0.14/kg13.8% of price$1.43/kg−13%

Landed at a US port, Canada was cheapest, at $0.63/kg: 58.7% below Brazil.

Landed cost from Canada fell 84% on a year earlier, to $0.63/kg, mostly on price: $3.92/kg then, $0.33/kg now.

How the market is shifting

Slovakia gained the most share: 43.4% of US imports over the last 12 months, up from 20.0% in the 12 months before. Brazil lost the most: 41.6%, down from 69.8%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Slovakia
  • Brazil
  • Mexico
  • Canada
  • All countries
Share of US imports
Show the numbers
MonthSlovakiaBrazilMexicoCanada
September 202453.0%47.0%0.0%0.0%
October 20240.0%0.0%0.0%100.0%
November 20240.0%70.3%0.0%11.0%
December 2024n/an/an/an/a
January 202531.7%65.5%0.0%2.8%
February 20250.0%100.0%0.0%0.0%
March 20250.0%72.8%3.9%0.0%
April 202551.9%48.1%0.0%0.0%
May 202530.6%69.4%0.0%0.0%
June 20250.0%100.0%0.0%0.0%
July 20250.0%82.0%0.0%18.0%
August 2025n/an/an/an/a
September 20250.0%0.0%100.0%0.0%
October 20250.0%100.0%0.0%0.0%
November 20250.0%24.4%75.6%0.0%
December 202588.0%12.0%0.0%0.0%
January 202678.4%0.0%0.0%21.6%
February 202659.1%40.9%0.0%0.0%
March 20260.0%100.0%0.0%0.0%
April 20260.0%100.0%0.0%0.0%
May 20260.0%100.0%0.0%0.0%
June 20260.0%100.0%0.0%0.0%
July 20260.0%85.9%0.0%10.8%
August 20260.0%100.0%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthSlovakiaBrazilMexicoCanadaAll countries
September 20241.8%0.0%n/an/a1.0%
October 2024n/an/an/a0.0%0.0%
November 2024n/a0.6%n/a0.0%0.4%
December 2024n/an/an/an/an/a
January 20251.8%0.1%n/a0.0%0.6%
February 2025n/a0.0%n/an/a0.0%
March 2025n/a0.3%0.0%n/a6.5%
April 20251.8%0.0%n/an/a0.9%
May 202511.8%0.0%n/an/a3.6%
June 2025n/a2.2%n/an/a2.2%
July 2025n/a11.8%n/a0.0%9.7%
August 2025n/an/an/an/an/a
September 2025n/an/a0.0%n/a0.0%
October 2025n/a51.8%n/an/a51.8%
November 2025n/a51.8%0.0%n/a8.0%
December 202515.0%51.8%n/an/a19.4%
January 202615.0%n/an/a0.0%11.8%
February 202615.0%51.8%n/an/a30.1%
March 2026n/a11.8%n/an/a11.8%
April 2026n/a11.8%n/an/a11.8%
May 2026n/a11.8%n/an/a11.8%
June 2026n/a11.8%n/an/a11.8%
July 2026n/a11.8%n/a1.8%10.7%
August 2026n/a25.6%n/an/a25.6%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. September 2025 · Duty paid: all countries 3.6% → 19.4%.

Where it enters the US

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

  1. Charleston, SC$1.8M · 39.1%
  2. Houston, TX$1.5M · 33.5%
  3. Laredo, TX$519K · 11.4%
  4. Baltimore, MD$465K · 10.2%
  5. Portal, ND$154K · 3.4%

Where US exports go

US exports were $842K in August 2026, down 27% from August 2025, and $10.5M over the last 12 months, down 13% on the 12 months before.

MarketLast 12 monthsSharevs 12 months before
Canada$9.8M93.0%−7.8%
Haiti$418K4.0%−40%
Mexico$127K1.2%−46%
Israel$109K1.0%new
Barbados$54K0.5%new
India$14K0.1%new
Turks and Caicos Islands$9K0.1%−31%
Colombia$3K0.0%+4.3%
Germany$3K0.0%−97%
All countries$10.5M100.0%−13%

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; 108 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Germany$20.4Min 2025−4.5%$00.0%
France$19.4Min 2025−30%$00.0%
Poland$14.9Min 2025+0.2%$00.0%
India$13.2Min 2025+14%$00.0%
Canada$11.8Min 2025+17%$10.1M85.5%
Belgium$10.8Min 2025−15%$00.0%
Austria$9.7Min 2025+28%$00.0%
Italy$9.1Min 2025+1.7%$00.0%

The biggest market outside the US is Germany, which imported $20.4M of this product in 2025, none of it from the US.

The US supplies 85.5% of imports into Canada, but under 10% into Germany, France and Poland.

Of these, imports into Austria grew fastest: up 28% from 2024 to 2025.

Other products under heading 2849: carbides, whether or not chemically defined. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Carbides, not elsewhere specified, whether or not chemically definedHS 2849.90$152.8M$74.7M
Carbides of silicon, whether or not chemically definedHS 2849.20$133.1M$53.6M
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.
  • 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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