High-Purity Boron Lump
High-purity boron lumps are irregular chunks of elemental boron used in vacuum arc melting. They fall under tariff item 2804.50.00 as unprocessed boron non-metal, per chapter 28 exclusions.
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 lumps are boron compounds
Boron compounds are classified under heading 28.49.
If the lumps are part of a prepared mixture
Prepared mixtures fall under heading 38.24.
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
• Ensure the lumps are pure elemental boron without coatings or treatments
• Provide a certificate of analysis
• Verify the end-use to determine if additional permits are needed
Related Products under Tariff item 2804.50.00
5N Tellurium Granules
Ultra-high purity tellurium granules (99.999%) are used in infrared detectors and thermoelectric devices. They are classified under tariff item 2804.50.00 as elemental tellurium in granular form.
Amorphous Boron Granules
Amorphous boron granules are a high-purity elemental non-metal used in pyrotechnics and metallurgy. As unworked granular boron, they fall under tariff item 2804.50.00, which covers boron and tellurium in their elemental forms.
Amorphous Boron Powder
Amorphous boron powder is a fine, non-crystalline elemental boron used in pyrotechnics and metallurgy. It is classified under tariff item 2804.50.00 as a chemically defined non-metal, per chapter 28 notes.
Boron Granules 99.5% Pure
Boron granules of 99.5% purity are elemental boron in granular form, used in alloy production and chemical synthesis. They fall under tariff item 2804.50.00 as boron, a non-metal element.
Boron Powder for Pyrotechnics
Fine boron powder for pyrotechnics is elemental boron used as a fuel. It is classified under tariff item 2804.50.00 as a non-metal element, excluding prepared charges or mixtures.
Boron Rods Unworked
Boron rods in unworked elemental form are used for research and high-temperature applications. They are classified under tariff item 2804.50.00 as boron, a non-metal element, provided they are not further processed into articles.