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SITCSection 6
U.S. imports of vegetable fiber & wood waste articles bonded with mineral binders — panels, tiles & boards (SITC 66182) totaled $1.6M in April 2026, traded with 19 countries.
Importers of Vegetable Fiber & Wood Waste Articles Bonded with Mineral Binders — Panels, Tiles & Boards paid $158K in duties in April 2026 — an effective duty rate of 26% on $612K in dutiable value, based on actual customs collections rather than the published tariff schedule. Vegetable Fiber & Wood Waste Articles Bonded with Mineral Binders — Panels, Tiles & Boards imports of $1.6M in April 2026 ran 25% above the year-to-date monthly average of $1.3M.
Last updated: April 2026 dataCement-bonded particleboard, wood-wool cement panels, and similar composite building boards made by agglomerating vegetable fibers, wood shavings, or sawdust with cement or other mineral binders occupy this heading, which is distinct from both pure wood-based panels and fiber-cement sheets. These products serve as structural sheathing, acoustic panels, and fire-resistant building boards in commercial and residential construction. The mineral binder — typically Portland cement or magnesia — is the defining material characteristic; panels bonded with organic resins (urea-formaldehyde, MDI) fall under wood-panel headings instead. Importers should confirm binder composition and fiber source with the manufacturer to support accurate classification.
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Heading 66182 covers articles where the structural matrix is vegetable fiber, wood shavings, or sawdust agglomerated with a mineral binder — the organic fiber content is substantial and visible. Heading 66183 covers asbestos-cement and cellulose fiber-cement articles where the fiber is a reinforcing additive within a predominantly cementitious matrix. The ratio and role of the fiber versus the binder is the practical distinction, and manufacturer technical data sheets are the most reliable classification support.
Standard customs documentation applies, but importers should retain the manufacturer's material safety data sheet (SDS) and a composition certificate specifying fiber type, binder type, and density. If the product contains any recycled or treated wood fiber, TSCA compliance documentation may also be relevant depending on any chemical treatments applied to the fiber before bonding.
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Monthly import values over time