U.S. imports of Urea Resins & Thiourea Resins in Primary Forms (SITC 57541) totaled $5.9M in August 2026, imported from 20 countries.
Importers of Urea Resins & Thiourea Resins in Primary Forms paid $403K in duties in August 2026, an average duty rate of 6.80% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Urea Resins & Thiourea Resins in Primary Forms imports of $5.9M in August 2026 ran 35% above the year-to-date monthly average of $4.4M.
Last updated: August 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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159 import shipments a month
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.
Basic heading 303 of 465 in section 5
Basic heading 57541 · $5.9M of $27.5B
ImportsExports
Imports
$5.9MYoY · free account
Exports
$4.7MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $49.1M of Urea Resins & Thiourea Resins in Primary Forms and exported $48.1M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
Canada and Germany together supply 81% of it. Norway pays 19.0% duty; Mexico 0.0%.
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.
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