Microporous Polyethylene Breathable Film
Cellular microporous polyethylene breathable film that allows vapor transmission while blocking liquids, used in applications like apparel and hygiene products. The microporous structure makes it a cellular sheet of polyethylene, classified under tariff item 3921.19.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the film is non-cellular
Non-cellular polyethylene film is classified in heading 39.20.
If the film is laminated to a textile fabric
Textile fabrics impregnated, coated, covered or laminated with plastics fall in Chapter 59.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify that the film is cellular (microporous) and not simply perforated, as perforations may not qualify as cellular
• Provide a sample or technical specification to the CBSA if classification is questioned
• If the film is laminated to textiles, consider whether Section XI (textiles) applies
Related Products under Tariff item 3921.19.00
Battery Grade PP Microporous Membrane
>- High-purity microporous polypropylene membrane used as a lithium-ion battery separator, with controlled pore distribution. This is a cellular (microporous) sheet of polypropylene, which is not one of the named plastics in other subheadings of heading 39.21, so it falls under 3921.19.00 as "of other plastics."
Breathable PE Diaper Backing Film
>- Microporous polyethylene film used as a soft, breathable backsheet in disposable diapers. This is a cellular (microporous) sheet of polyethylene, which is not one of the named plastics in other subheadings of heading 39.21, so it falls under 3921.19.00 as "of other plastics."
Cellular ABS Sheets
Foamed acrylonitrile-butadiene-styrene (ABS) copolymer sheets for thermoforming applications. Since ABS is a copolymer where no single monomer unit contributes 95% or more by weight, it is classified under tariff item 3921.19.00 as a cellular sheet of 'other plastics'.
Cellular Acrylic Foam Tapes Base Sheets
>- Double-sided cellular acrylic polymer foam sheets used as a carrier for pressure-sensitive adhesive tapes. These sheets are cellular (foamed) and made of acrylic polymer, which is not one of the named plastics in other subheadings of heading 39.21, so they fall under tariff item 3921.19.00 as "of other plastics."
Cellular Acrylic Sheets
Foamed acrylic polymer sheets for signage and displays, with a cellular structure. As acrylic polymers are not specifically named in cellular subheadings, these sheets are classified under tariff item 3921.19.00 as 'of other plastics'.
Cellular Polyamide Foam Sheets
>- Cellular polyamide (nylon) foam sheets used for impact protection and vibration damping in machinery. Polyamide is not one of the named plastics in other subheadings of heading 39.21, and the cellular structure qualifies these sheets for classification under 3921.19.00 as "of other plastics."