High-Alumina Burner Block
High-alumina burner blocks are precision-shaped ceramic blocks with over 60% Al2O3 content, fired for use in gas or oil burner installations in reheating furnaces. They resist flame impingement and are classified as refractory constructional goods under this tariff item.
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 burner blocks are not constructional goods
Refractory articles that are not constructional, such as burner nozzles, may be classified under this alternative.
If the blocks are parts of industrial furnaces
Parts of industrial or laboratory furnaces may be classified under this heading, depending on the specific function.
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 alumina content exceeds 50% by weight and that the blocks are fired after shaping
• Provide technical specifications showing the blocks are for constructional use in furnaces
• Check if the blocks are considered parts of furnaces, which may affect classification
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