FIELD: construction.
SUBSTANCE: invention relates to the production of concretes, which can be used in the construction of heating units. The refractory concrete mixture contains, by wt %: aluminous cement 27.0-28.0; kaolin 0.5-1.0; steel fiber 5-10 mmlength 1.0-3.0; blast furnace slag, crushed and sieved through a mesh №063 8.0-1.0; fireclay - the rest, with the water-cement ratio of 0.5-0.6.
EFFECT: invention enhances the heat resistance of the material.
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