Thermal Insulated Cork Wall Liners
Thin natural cork liners backed with paper for thermal regulation behind wall finishes in energy-efficient buildings. The cork provides insulation while the paper allows for stapling and easy installation. Classified under 4503.90.00 as other articles of natural cork.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the liners are primarily thermal insulation
Insulation materials may be classified in Chapter 68.
If the cork is agglomerated
Agglomerated cork liners are classified under heading 4504.
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
• If the liners are primarily for thermal insulation, check whether they qualify as insulation products under Chapter 68
• Provide documentation on the cork's thermal conductivity and the paper backing's role
• Ensure the liners are not considered structural building materials
Related Products under Tariff item 4503.90.00
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Cork Bullet Seal Wafers
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