Cell sidewall SiC bricks face electrolyte attack and sodium penetration, tied to cell life and energy efficiency.
Problem-by-problem analysis with solutions and recommended refractories
Si3N4 bonded SiC brick is made of high-purity silicon carbide with in-situ formed silicon nitride bond, featuring excellent thermal shock resistance, high strength, high thermal conductivity and oxidation resistance for blast furnace tuyeres, aluminum cell sidewalls and kiln furniture.
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Silicon carbide brick (SiC≥85%, refractoriness ≥1900℃, CCS≥120MPa) offers high thermal conductivity, extreme wear resistance, thermal-shock resistance and molten-salt resistance—preferred for waste incineration and hot abrasion duties.
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Corundum brick with Al₂O₃≥99% and refractoriness ≥2000℃ is chemically pure, resisting high temperature and gas/dust scouring—the premium refractory for critical hot zones.
Learn More →The copper bath zone suffers matte penetration and slag attack; magnesia-chrome bricks with copper staves are the mainstream solution.
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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