Silica-Alumina Anchor Brick
Specialty anchor bricks with over 50% combined silica and alumina, fired for securing fiber modules in industrial furnaces. They are designed for high-temperature suspension systems. Classified under 6902.20.00 as refractory constructional goods with high alumina-silica content.
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 anchor brick is not a constructional good
Other refractory articles may fall under heading 6903.
If the brick contains more than 50% magnesia, lime or chromium
Different oxide composition changes the subheading.
If imported as part of a furnace machine
Furnace parts are classified in Chapter 84.
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
• Verify the combined alumina and silica content exceeds 50% and the brick is fired
• Provide drawings or specifications to the CBSA to show the anchor function
• Ensure the brick is not classified as a furnace part under Chapter 84
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