Granulated Cork Dust for Insulation
Finely granulated cork dust produced by grinding natural cork bark, used primarily as a lightweight thermal insulation filler in building materials and packaging. Classified under tariff item 4501.90.00 as granulated 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 dust is compressed into insulation boards
Compressed cork insulation boards fall under agglomerated cork.
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
• Confirm the dust is not mixed with fire retardants or other chemicals
• Provide particle size analysis for customs
• Store in moisture-proof bags to maintain quality during shipping
Related Products under Tariff item 4501.90.00
Cork Bark Processing Waste
Mixed waste from cork bark boiling and drying processes, including small fragments and dust. This simply prepared material is destined for granulation in industrial applications, falling under tariff item 4501.90.00 as waste cork.
Cork Granules Waste
Granulated waste cork material derived from processing natural cork bark, collected from cork manufacturing facilities. It is crushed or ground, fitting tariff item 4501.90.00 as waste cork.
Cork Manufacturing Byproduct Granules
Granules byproduct from cork stopper and flooring production lines, simply crushed and suitable for thermal insulation production. This waste cork falls under tariff item 4501.90.00.
Cork Trimmings Scrap
Irregular scraps and trimmings from cork plank production, minimally crushed and recycled into expanded cork or insulation material. Classified as waste cork under tariff item 4501.90.00.
Crushed Cork Aggregate for Concrete
Granulated cork aggregate used as a lightweight additive in concrete mixes for thermal insulation and reduced weight in construction panels. This crushed and granulated natural cork form falls under tariff item 4501.90.00.
Crushed Cork Dust
Fine dust and crushed particles from cork waste, generated during trimming and shaping of cork bark. This byproduct is simply prepared and suitable for grinding, falling under tariff item 4501.90.00.