Product classification
HS code for Cellular plastic sheets: 3921.19
Plastics, plates, sheets, film, foil and strip, of plastics n.e.c. in heading no. 3921, cellular.
Classification of cellular plastic sheets under HS 3921.19
Cellular plastic sheets that do not fall under the specific subheadings for styrene, vinyl chloride, or polyurethanes are classified under HS code 3921.19. This is a residual or "other" category within the cellular plastics group. The classification is determined by the material's cellular (foamed or expanded) structure and the fact that the base polymer is not one of the more common types explicitly listed in codes 3921.11 through 3921.14. Common materials found in this category include cellular polyethylene (PE), cellular polypropylene (PP), and cellular polyethylene terephthalate (PET). These products are characterized by their lightweight, insulating, and cushioning properties. To be classified here, the sheets must not be reinforced, laminated, or combined with other materials in a way that would move them to the "non-cellular" or "other" categories of 3921.90.
- Covers
- Cellular polyethylene (PE) foam sheets
- Cellular polypropylene (PP) sheets
- Expanded PET foam panels
- Cellular silicone sheets
- Other foamed plastic sheets not elsewhere specified
- Also under 3921.19
- Dow Styrofoam insulation
- BASF Neopor
- Armacell Armaflex
- Sealed Air Instapak
Codes often confused with 3921.19
Common mistake. This code is frequently confused with 3921.13 (cellular polyurethanes) or 3921.11 (cellular polystyrene) because the physical appearance of different plastic foams can be nearly identical. Accurate chemical identification of the polymer is required. It is also often misclassified under 3920 if the "cellular" nature is not recognized, or under 3921.90 if the sheet is mistakenly thought to be reinforced with textile or metal.
Top exporters and importers of HS 392119 (the code used for cellular plastic sheets), 2025
In 2025, the largest exporter of HS 392119 (the code used for cellular plastic sheets) in UN Comtrade data was the United States, with 14% of world exports; the largest importer in UN Comtrade data was the United States, with 18% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 392119, not only cellular plastic sheets.
Top exporters 2025 · share of world exports
- 1 United States $837M 14% of world exports
- 2 South Korea $774M 13% of world exports
- 3 China $661M 11% of world exports
World total: $6.0B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $1.1B 18% of world imports
- 2 South Korea $492M 8.2% of world imports
- 3 China $422M 7.0% of world imports
World total: $6.0B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for cellular plastic sheets
Brazil classifies cellular plastic sheets under NCM 3921.19.00: HS 3921.19 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about cellular plastic sheets
What is the HS code for Cellular plastic sheets?
The HS code for Cellular plastic sheets is 392119 (Plastics; plates, sheets, film, foil and strip, of plastics n.e.c. in heading no. 3921, cellular). If the plastic is not styrene, PVC, or polyurethane, the HS code for cellular plastic sheets is 3921.19.
How do I classify Cellular plastic sheets for customs?
Cellular plastic sheets is classified under HS code 392119 — Plastics; plates, sheets, film, foil and strip, of plastics n.e.c. in heading no. 3921, cellular. This is a 6-digit subheading level code.
Does this code include bubble wrap?
No, bubble wrap is typically classified under 3920.10 (if polyethylene) because the "cells" are trapped air between layers of non-cellular film, rather than a foamed material mass.
Which countries are the top exporters of cellular plastic sheets (HS 392119)?
In 2025, the top exporters of HS 392119 (the code used for cellular plastic sheets) in UN Comtrade data were the United States ($837M, 14% of world exports), South Korea ($774M) and China ($661M). World exports came to about $6.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of cellular plastic sheets (HS 392119)?
In 2025, the top importers of HS 392119 (the code used for cellular plastic sheets) in UN Comtrade data were the United States ($1.1B, 18% of world imports), South Korea ($492M) and China ($422M). World imports came to about $6.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Cellular plastic sheets the same in all countries?
The base HS code 392119 for Cellular plastic sheets is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for cellular plastic sheets in Brazil?
In Brazil, cellular plastic sheets (HS 392119) is classified under NCM 3921.19.00.