SITCSection 5
U.S. imports of cellular plastic plates, sheets, film, foil & strip (n.e.s.) (SITC 58291) totaled $184.2M in April 2026, traded with 69 countries.
Importers of Cellular Plastic Plates, Sheets, Film, Foil & Strip (N.E.S.) paid $17.4M in duties in April 2026 — an effective duty rate of 16% on $111.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cellular Plastic Plates, Sheets, Film, Foil & Strip (N.E.S.) imports of $184.2M in April 2026 ran 19% above the year-to-date monthly average of $155.2M.
Last updated: April 2026 dataFoam-structured (cellular) plastic flat forms that fall outside more specific polymer headings occupy a residual classification role in US trade schedules, catching expanded or foamed sheets and films not elsewhere specified. The cellular structure distinguishes these articles from solid-wall counterparts — a distinction customs examiners apply based on cross-section density and void content. These materials serve packaging, insulation, and construction markets, and importers should confirm the correct polymer identity and cellular character before filing, as misclassification between cellular and noncellular forms can affect duty liability.
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Classification as cellular typically requires that the plastic matrix contain a significant proportion of gas-filled voids or cells distributed throughout the cross-section, giving the material a foam-like structure. Importers may need to provide technical data sheets or laboratory analysis confirming void content if the cellular character is not visually obvious.
Named-polymer headings (such as those for polyethylene or PVC sheets) take precedence; the NES heading applies only when the specific polymer type is not captured by a more specific provision. Importers should first check whether the resin composition matches a named-polymer subheading before defaulting to the NES category.
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Monthly import values over time