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Frost hanging on the surface of refractory castable

Words:[Big][Medium][Small] Mobile Page Two-Dimensional Code 2018-10-15     

The phenomenon of self-pulverization of refractory castable in the construction process is caused by the reaction between hydration products of calcium aluminate cement and acidic gases such as CO2, SO2 and H2S in the atmosphere, which leads to decomposition of hydration products and decrease of strength of refractory castable.It mainly includes the carbonation reaction of calcium aluminate cement, the reaction of calcium aluminate cement with alkali carbonate, and the reaction of aluminate cement with sulfites.


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