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SITCSection 5
U.S. imports of urea resins & thiourea resins in primary forms (SITC 57541) totaled $4.2M in April 2026, traded with 19 countries.
Importers of Urea Resins & Thiourea Resins in Primary Forms paid $308K in duties in April 2026 — an effective duty rate of 17% on $1.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataUrea-formaldehyde (UF) resins are the dominant adhesive binder in particleboard, MDF, and plywood manufacturing, making this heading a critical input for the wood-panel and furniture industries. Thiourea resins, a smaller segment, serve specialty applications in textile finishing and paper treatment. Trade flows in this category can be sensitive to antidumping measures on downstream wood products, since resin sourcing often follows panel production geography. Importers should confirm the physical form — liquid, powder, or granule — as this can affect both classification and freight logistics.
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Liquid UF resin concentrate and dry powder forms are both classifiable here, but they differ in packaging, hazmat labeling, and freight mode requirements. Liquid forms may require UN-rated containers and specific SDS documentation, while powders may trigger dust-explosion handling protocols at the port.
Antidumping orders on products like hardwood plywood or MDF can shift where panels are manufactured, which in turn affects demand for UF resin from specific origins. Importers of resin should monitor downstream panel trade remedies as a leading indicator of demand shifts.
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Monthly import values over time