Tungsten Boride WB2
Tungsten diboride (WB2) is an ultra-hard ceramic material used in wear-resistant coatings and cutting tools. It is a chemically defined boride of tungsten, classified under tariff item 2850.00.00. The product exhibits high hardness and melting point.
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 contains carbide phases
Heading 28.50 excludes compounds that are also carbides of heading 28.49.
If the product is a mixture with other borides
Mixed products not meeting Chapter 28 criteria may 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
• Declare the product as tungsten diboride (WB2)
• Provide a certificate of analysis showing the boron-to-tungsten ratio
• The CBSA may verify that the product is not a carbide, so keep documentation of the synthesis process
Related Products under Tariff item 2850.00.00
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