
Magnesia-Chrome Brick
Magnesia-chrome brick (MgO≥60%, Cr₂O₃≥12%, refractoriness ≥1900℃) with magnesia-chromite spinel structure resists attack by high-temperature slags and melts with high hot strength and washout resistance.
Learn More →The copper bath zone suffers matte penetration and slag attack; magnesia-chrome bricks with copper staves are the mainstream solution.
Problem-by-problem analysis with solutions and recommended refractories

Magnesia-chrome brick (MgO≥60%, Cr₂O₃≥12%, refractoriness ≥1900℃) with magnesia-chromite spinel structure resists attack by high-temperature slags and melts with high hot strength and washout resistance.
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Chrome-corundum brick (Al₂O₃≥90%, Cr₂O₃ 3-8%, refractoriness ≥1950℃) adds chromia to a corundum base for strong resistance to glass melt attack, slag and washout.
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Magnesia brick with periclase as the main phase (MgO≥95%, refractoriness ≥2000℃) offers outstanding resistance to basic slags and iron-oxide slag plus excellent high-temperature performance.
Learn More →Cell sidewall SiC bricks face electrolyte attack and sodium penetration, tied to cell life and energy efficiency.
View Problems & Solutions →Zinc kiln linings suffer zinc vapor penetration and ring formation; phosphate bricks and chrome-corundum bricks are common.
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