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HSChapter 39
U.S. imports of cellular plastic plates, sheets, film, foil & strip (other, nesoi) (HS 392119) totaled $106.3M in July 2026, traded with 61 countries.
Importers of Cellular Plastic Plates, Sheets, Film, Foil & Strip (Other, NESOI) paid $11.9M in duties in July 2026 — an effective duty rate of 16% on $74.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataCellular plastic flat forms not covered by the specific polymer headings — including polyethylene, polypropylene, and other foam sheet not elsewhere classified — fall here as a residual category. A notable subdivision is 3921190010, which covers microporous sheets of polyethylene or polypropylene film used in battery separators, filtration, and breathable membrane applications. Ireland leads US supply under this heading, reflecting significant pharmaceutical and advanced-materials manufacturing investment there, with South Korea and Canada also prominent sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
3.1K shipments/mo
Microporous sheets have a controlled, submicron pore structure engineered for ion or fluid transport — used in lithium-ion battery separators and filtration membranes — rather than the macroscopic foam cells of conventional cellular plastics. The distinction matters for classification because 3921190010 is a dedicated line for this specific form, while other cellular polyethylene or polypropylene sheet falls under 3921190090.
Ireland hosts substantial manufacturing operations for advanced polymer films and specialty materials, including products used in pharmaceutical packaging and medical devices. This industrial base drives exports of higher-value cellular and microporous plastic sheet to the US market, distinguishing Ireland's supply profile from the commodity foam sheet sourced from other countries.
Subheading 2 of 6 in heading 3921
Subheading 392119 · $106.3M of $305.8M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3921190090 | Plates,Sheets,Film,Foil & Strip,Cell,of Oth Plast | $74.3M | 8.37% | 59.03% | $6.2M |
| 3921190010 | Microporous Sheets of Plyethylne or Plyprpylne Flm | $32.0M | 17.61% | 96.31% | $5.6M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3921190000 | Plates,Sheets,Film,Foil & Strip,Cell,of Oth Plast | $84.2M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$106.3MYoY · Pro
Exports
$84.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
17.0% enters free of duty; the effective duty rate is 11.16%.