Nano Black Iron Oxide Powder
Nano Black Iron Oxide Powder is a nanoscale synthetic black iron oxide (Fe3O4) with a combined iron content exceeding 70% evaluated as Fe2O3. It is used in magnetic inks and biomedical applications and falls under tariff item 2821.10.00 for iron oxides and hydroxides.
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 product is doped for use in electronics and cut into discs or wafers
Doped chemical elements in certain forms are classified under Chapter 38.
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
• Provide a certificate of analysis to confirm the iron content exceeds 70% as Fe2O3
• Ensure the product is not mixed with stabilizers that could alter classification
• Check if the product is subject to any regulations for nanomaterials
Related Products under Tariff item 2821.10.00
Bayferrox 110 Red Iron Oxide
Bayferrox 110 Red Iron Oxide is a commercial-grade synthetic red iron oxide pigment containing more than 70% combined iron evaluated as Fe2O3, used primarily in automotive coatings for its precise hue control and durability. It is classified under tariff item 2821.10.00 because it is an iron oxide pigment meeting the chapter's criteria for separate chemically defined compounds or products with added stabilizers.
Bayferrox 920 Yellow Iron Oxide Pigment
Bayferrox 920 Yellow Iron Oxide Pigment is a premium synthetic yellow iron oxide pigment (goethite structure) with over 70% combined iron as Fe2O3, designed for high-end architectural coatings and flooring. It is classified under tariff item 2821.10.00 as an iron oxide hydroxide, meeting the chapter's criteria.
Black Iron Oxide (Magnetite) Powder
Black Iron Oxide (Magnetite) Powder is a chemically defined iron oxide (Fe3O4) with a combined iron content exceeding 70% evaluated as Fe2O3. It is used in magnetic inks, ferrites, and industrial pigments, and falls under tariff item 2821.10.00 for iron oxides and hydroxides.
Brown Iron Oxide Blend Pigment
Synthetic brown iron oxide blend, created by mixing red and yellow oxides, achieves a total iron content above 70% as Fe2O3. It is used in flooring tiles and architectural coatings for consistent colour matching. This product is classified under tariff item 2821.10.00 as an iron oxide.
Ferric Hydroxide Precipitate
Ferric Hydroxide Precipitate is a chemically defined iron hydroxide (Fe(OH)3) with a combined iron content exceeding 70% evaluated as Fe2O3. It is used in water treatment, pharmaceuticals, and as a pigment intermediate, and falls under tariff item 2821.10.00 for iron oxides and hydroxides.
Ferric Oxide Red Powder (Synthetic)
Ferric Oxide Red Powder (Synthetic) is a high-purity synthetic ferric oxide red powder used in ceramic glazes and concrete colorants, with an Fe2O3 content exceeding 70%. It is classified under tariff item 2821.10.00 as an iron oxide, meeting the chapter's requirements for chemically defined compounds or products with added substances for identification.