Pitch-Bonded Magnesia Furnace Bricks
Pitch-bonded magnesia furnace bricks are bricks with over 70% magnesia and low carbon content, engineered for rotary kilns and furnaces in cement and lime production. Their chemical bonding provides thermal shock resistance and durability in high-temperature environments. They are classified under tariff item 6810.11.00 as building blocks and bricks of artificial stone.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3% | — | 3% |
| 🇲🇽Mexico | 3% | — | 3% |
| 🇺🇸United States | 3% | — | 3% |
| 🇩🇪Germany | 3% | — | 3% |
| 🇯🇵Japan | 3% | — | 3% |
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 bricks are for rotary kilns and contain magnesia
Heading 69.02 covers refractory bricks for kilns and furnaces.
If the bricks are not standard building blocks
Other mineral-based refractory articles fall under heading 68.15.
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
• Document the pitch bonding and magnesia content to support classification
• Check if the bricks are more suitable under Chapter 69 for refractory goods
• Keep records of the intended use (furnace linings) for CBSA verification
Related Products under Tariff item 6810.11.00
Architectural Concrete Screen Blocks
Architectural concrete screen blocks are precast concrete units with decorative geometric openings, used for privacy screens and building facades. They are made from cement, aggregates, and water, and are not reinforced, qualifying them as building blocks of concrete under tariff item 6810.11.00.
Autoclaved Aerated Concrete (AAC) Blocks
Autoclaved aerated concrete (AAC) blocks are lightweight precast concrete units containing air voids, produced with cement, lime, sand, and an expanding agent, then steam-cured under pressure. They are used for wall construction and insulation, and meet the definition of building blocks of concrete under tariff item 6810.11.00.
Carbon-Magnesia Converter Bricks
Carbon-magnesia converter bricks are refractory bricks containing over 70% magnesia and up to 29% carbon, bonded with pitch for use in basic oxygen furnace (BOF) converter mouths and trunnions. Their high magnesia content provides oxidation resistance and durability in extreme steelmaking conditions. They are classified under tariff item 6810.11.00 as building blocks and bricks of artificial stone.
Cement Sandwich Building Blocks
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Concrete Corner Blocks
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Concrete Curbing Blocks
Concrete curbing blocks are precast concrete blocks shaped for edging lawns, driveways, and paths, providing a stable border. They are unreinforced and used in landscaping construction. These blocks are classified under tariff item 6810.11.00 as building blocks of artificial stone.