Quartz refractory concretes arc successfully used to line steel-casting and pig-iron ladies (1-3). %~e low thermal shock resistance of these concretes does not permit their use in other heat equipment, in spite of their excellent thermomechanical properties. In the zones of the ladle lining where an inadequate amount of quartz melt is formed, the concretes do not work satisfactorily, because of spaIlatton due to temperature differences.
1983
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