Inorganic, corrosion-resistant cementitious materials have been successfully used for monolithic structures and applications for more than a quarter of a century. By incorporating the latest available technology, these materials have been improved in such areas as corrosion resistance, thermal insulation, elasticity, strength, and thermal shock resistance. With the advent of greater concern for energy savings and the occurrence of more severe corrosion in newer processes, these specialty cements are becoming increasingly attractive alternatives for a broad spectrum of industrial applications. These linings have properties that are beginning to approach those of the more conventional fired refractory or ceramic shapes in many respects. They do have limitations that must also be considered. It is the purpose of this paper to outline and briefly discuss: (1) The functions that these linings serve; (2) How and where to use these materials; (3) The types of applications wherein one might gainfully use these materials; and (4) The limitations inherent with these linings.

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