Semichemical fluting paper (corrugating medium), uncoated, in rolls or sheets

US trade by year

US imports were $92.1M in the 12 months to Aug 2026, up 30% on the 12 months to Aug 2017. US exports were $253.7M, up 3.1%. 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.

• Canada
• Finland
• Poland
• Austria
• All countries

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.

The 3 largest suppliers had 99.1% 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

Landed at a US port, Austria was cheapest, at $0.82/kg: 5.1% below Canada.

Landed cost from Finland fell 32% on a year earlier, to $1.15/kg, mostly on price: $1.42/kg then, $0.94/kg now.

How the market is shifting

No supplier with 3% or more of the market gained or lost a point of share over the last 12 months. 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.

• Canada
• Finland
• Poland
• Austria
• All countries

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. July 2025 · Duty paid: Finland 0.0% → 12.5%.

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; 100 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

The biggest market outside the US is Mexico, which imported $201.3M of this product in 2025, 85.2% of that from the US.

The US supplies 85.2% of imports into Mexico and 29.7% into Guatemala, but under 10% into Italy, Spain and China.

Of these, imports into China grew fastest: up 104% from 2024 to 2025.

Related products

Other products under heading 4805: paper and paperboard, uncoated, not elsewhere specified, in rolls or sheets, not further worked or processed than as specified in note 2 to chapter 48. US trade over the 12 months to August 2026.