The role of metal aluminum powder in magnesia carbon brick
Metal aluminum powder is mainly used as an additive for magnesia-carbon refractory bricks, mainly to prevent the carbon oxidation of magnesia-carbon refractory bricks during high-temperature work. It is an antioxidant, which can effectively quickly oxidize the graphite of magnesia-carbon refractory bricks, because magnesia-carbon refractory bricks themselves are composed of residual carbon from resin. Once the graphite is oxidized, the strength of the refractory brick will decrease, and the thermal shock stability will also decrease, which will affect the service life of the converter and electric furnace ladle.
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