Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3
Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths. > Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3
Duty Rate (from China)
Products classified under Tariff item 6902.10
Calcium Aluminate Refractory Anchor Tiles
Specialty anchor tiles with high CaO content for securing fiber modules in furnace linings, containing over 50% CaO. Designed for easy installation in high-temperature applications.
6902.10.00Calcium 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.
6902.10.00Chrome-Magnesite Checker Bricks
Perforated checker bricks with over 50% Cr2O3 and MgO for regenerative heat recovery in glass and metallurgical furnaces. The lattice structure maximizes heat exchange efficiency.
6902.10.00Chromite-Magnesite Refractory Tiles
Fired ceramic tiles containing over 50% combined MgO and Cr2O3, designed for lining glass tank furnaces and copper smelters. These tiles offer excellent slag resistance and are thinner than blocks for curved surfaces.
6902.10.00Chromium-Corundum Refractory Bricks
High-chrome corundum bricks with Cr2O3 over 50% for glass furnace superstructures resisting batch carryover. The dense microstructure prevents glass penetration.
6902.10.00Direct-Bonded Magnesia Chrome Bricks
Premium refractory bricks produced by direct bonding of magnesia and chrome ore grains, with over 50% MgO/Cr2O3, for RH degasser vessels in steelmaking. These bricks offer exceptional creep resistance at high temperatures.
6902.10.00Direct-Bonded Magnesite Brick for Electric Arc Furnaces
Direct-bonded magnesite refractory bricks containing over 93% MgO, fired at high temperatures for use in electric arc furnace walls. These bricks provide superior slag resistance and maintain structural integrity under thermal shock and corrosion.
6902.10.00Dolomite Refractory Bricks
Refractory bricks derived from fired dolomite with high CaO and MgO content exceeding 50%, used in steel ladles and electric arc furnaces. These bricks provide basic slag resistance essential for secondary steelmaking.
6902.10.00Fused Magnesia Brick for Glass Tank Regenerators
Fused magnesia refractory bricks made with electrofused grains, designed for glass tank regenerator checkers. These bricks are fired after shaping from high-purity magnesia and offer superior thermal shock resistance.
6902.10.00High-Calcium Aluminate Refractory Blocks
Large refractory blocks with over 50% CaO content, fired for use in cement rotary kilns and lime kilns. These constructional goods provide thermal shock resistance and are shaped for furnace linings.
6902.10.00High-Density Magnesite Brick for Cement Rotary Kilns
High-density magnesite bricks with over 90% MgO, fired for use in cement rotary kilns. These bricks provide alkali and abrasion resistance essential for high-temperature clinker production environments.
6902.10.00Magnesia-Carbon Brick for Steel Ladle Impact Pads
Magnesia-carbon refractory bricks for steel ladle impact zones, combining over 80% MgO with graphite for erosion resistance. These are fully fired ceramic constructional goods.
6902.10.00Magnesia-Chrome Brick for Non-Ferrous Metal Smelting
Magnesia-chrome refractory bricks with over 50% combined MgO and Cr2O3, used in copper and aluminum smelting furnaces. These fired ceramic goods resist basic slags and high temperatures.
6902.10.00Magnesia Ramming Mix Brick for Induction Furnaces
Pre-formed magnesite bricks made from ramming mixes for coreless induction furnace linings, fired to a service limit above 1600°C. High MgO content resists molten iron attack.
6902.10.00Magnesia Refractory Brick for Steel Ladles
High-purity magnesite bricks containing over 90% MgO, fired after shaping for lining steel ladles. These refractory bricks withstand extreme temperatures above 1700°C and resist molten steel slag.