Fireclay Refractory
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Fireclay Refractory
the most common type of alumino-silicate refractory product. Fireclay refractories contain 28–45 percent Al2O3. They are made from refractory clays and kaolins cut by the addition of fireclay or, sometimes, nonplastic clay rocks and quartz. They are used in blast, reheating, and roasting furnaces; they are also used in pouring steel and in other operations.
REFERENCE
Khimicheskaia tekhnologiia keramiki i ogneuporov. Moscow, 1972.The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.