U.S. imports of Cellular Plastic Plates, Sheets, Film, Foil & Strip (N.E.S.) (SITC 58291) totaled $174.0M in August 2026, imported from 75 countries.
Importers of Cellular Plastic Plates, Sheets, Film, Foil & Strip (N.E.S.) paid $19.9M in duties in August 2026, an average duty rate of 11.39% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 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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8.9K import shipments a month
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.
Basic heading 19 of 465 in section 5
Basic heading 58291 · $174.0M of $27.5B
Imports · August 2026
origin
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
$174.0MYoY · free account
Exports
$180.8MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $1.9B of Cellular Plastic Plates, Sheets, Film, Foil & Strip (N.E.S.) and exported $2.0B.
Through August 2026. Source: U.S. Census Bureau.
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