Calcium Ferrite Refractory Bricks
Refractory bricks incorporating calcium ferrite phases with over 50% CaO equivalent for waste incinerator linings. These bricks resist alkali corrosion from flue gases.
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 CaO content is 50% or less by weight.
This alternative applies to refractory bricks with different chemical compositions.
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 CaO content exceeds 50% by weight and provide a certificate of analysis
• Ensure the bricks are fired after shaping to meet Chapter 69 requirements
• Check that the product is not classified as a cermet under heading 81.13
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