Magnesia-Resin EAF Roof Bricks
Roof bricks for electric arc furnaces (EAF), over 70% magnesia, <30% carbon, resin-bonded for high-temperature steelmaking roofs. Excellent slag resistance. Classified in HTS 6810.11.00.10 matching the chemical and composition criteria.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other articles of artificial stone not bricks
Irregular shapes beyond standard bricks go to residual 6810 provisions.
If for laboratory furnace crucibles
Lab-scale refractory crucibles classify under specific Chapter 69 labware.
Not sure which classification is right?
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Import Tips & Compliance
• Specify 'building bricks' in entry summary despite industrial use to align with heading
• Check for preferential tariff treatments under USMCA if from qualifying countries
Related Products under HTS 6810.11.00.10
Magnesia Carbon Building Bricks
High-performance building bricks composed of over 70% magnesia (MgO) with carbon content under 30%, chemically bonded using resin or pitch. These bricks are designed for extreme heat resistance in industrial construction like furnace linings. They fall under HTS 6810.11.00.10 due to their specific magnesia-carbon composition and bonding method.
Resin-Bonded Magnesia Ladle Bricks
Specialized bricks for steel ladle linings, featuring >70% magnesia, trace to <30% carbon, and resin chemical bonding for superior erosion resistance. Used in molten metal handling in steel mills. Classified under HTS 6810.11.00.10 for their precise magnesia-carbon-resin composition.
High-Magnesia Carbon Kiln Blocks
Heavy-duty blocks exceeding 70% magnesia with controlled carbon under 30%, resin-bonded for cement kiln transition zones. They withstand abrasion and alkali attack. Fits HTS 6810.11.00.10 for building block form and composition.
Resin Magnesia Tundish Bricks
Tundish working layer bricks with high magnesia (>70%), low carbon (<30%), resin bonded for continuous steel casting. Erosion and corrosion resistant. Matches HTS 6810.11.00.10 building bricks criteria.
Pitch-Bonded Magnesia Furnace Bricks
Pitch-bonded 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. HTS 6810.11.00.10 applies due to the high magnesia, carbon range, and pitch bonding.
Carbon-Magnesia Converter Bricks
Bricks for BOF converters with >70% magnesia, trace-29% carbon, pitch-bonded for steel converter mouths and trunnions. Provides oxidation resistance. HTS 6810.11.00.10 due to exact material specs.