Fondu Aluminous Cement
Fondu aluminous cement is a high-purity calcium aluminate cement used in specialty concretes and castables. It is known for its quick setting properties and high-temperature resistance. This product qualifies under this tariff item as an aluminous cement, a hydraulic cement type.
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 imported as clinker
Cement clinkers are classified under a separate tariff item.
If the cement is not aluminous
Other hydraulic cements fall under this item.
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 product is in a crude or ground state without additional processing
• Ensure it does not contain additives that make it suitable for a specific use beyond general use
• Prepare documentation showing the calcium aluminate content for CBSA review
Related Products under Tariff item 2523.30.00
Aluminous Expansion Cement
Aluminous expansion cement is a hydraulic cement based on calcium aluminate that generates controlled expansion during setting. This expansion makes it suitable for precision grouting and anchoring applications where dimensional stability is critical. It falls under this tariff item as an aluminous cement, which is a type of hydraulic cement covered by heading 25.23.
Calcium Aluminate Cement Powder
Calcium aluminate cement powder is an aluminous cement used for rapid-hardening concrete and repair mortars. Its high alumina content provides superior sulfate resistance and fast setting times. This product is classified under this tariff item as an aluminous cement, a type of hydraulic cement.
High-Alumina Refractory Cement
High-alumina refractory cement is a hydraulic cement composed primarily of calcium aluminate, designed for high-temperature applications in furnaces and kilns. Its aluminous composition makes it a type of aluminous cement. This product is classified under this tariff item as an aluminous hydraulic cement.
Rapid-Set Aluminous Cement Clinker
Rapid-set aluminous cement clinker is an intermediate product that is ground into finished cement, containing high aluminates. It is classified under this tariff item whether in clinker or powder form, as the heading covers aluminous hydraulic cements in both states. This product falls under the aluminous cement category.
Sulfuric-Resistant Aluminous Cement
Sulfuric-resistant aluminous cement is formulated for aggressive environments like sewers and wastewater structures. Its high alumina content provides excellent resistance to sulfate attack. This product qualifies under this tariff item as an aluminous hydraulic cement.