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SITCSection 4
U.S. imports of refined linseed oil and its fractions (SITC 42219) totaled $338K in July 2026, traded with 12 countries.
Importers of Refined Linseed Oil and Its Fractions paid $48K in duties in July 2026 — an effective duty rate of 19% on $258K in dutiable value, based on actual customs collections rather than the published tariff schedule. Refined Linseed Oil and Its Fractions imports of $338K in July 2026 ran 24% below the year-to-date monthly average of $444K.
Last updated: July 2026 dataRefined linseed oil — pressed from flaxseed and further processed to remove impurities — serves as a critical drying oil in alkyd resins, paints, varnishes, and linoleum manufacturing. The refining stage distinguishes this product from crude linseed oil and determines its suitability for industrial versus food-grade applications. Importers should note that fractions (such as blown or polymerized variants) may be classified differently depending on their degree of chemical modification, making precise specification documentation essential at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
21 shipments/mo
Basic heading 32 of 41 in section 4
Basic heading 42219 · $338K of $1.8B
Refined linseed oil has undergone degumming, neutralization, bleaching, or deodorization to remove free fatty acids and impurities. Crude linseed oil that has not been through these processes classifies separately. Importers should ensure commercial invoices and certificates of analysis clearly state the refining process used, as misclassification between crude and refined can affect applicable duty rates.
Importers generally need a commercial invoice specifying the degree of refinement, a certificate of analysis indicating free fatty acid content and iodine value, and a bill of lading. If the oil is destined for food use, FDA prior notice may also be required. Consult a licensed customs broker to confirm current entry requirements.
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Imports · July 2026
origin
China and Canada together supply 91% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$338KYoY · Pro
Exports
$322KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.