Century Dictionary and Cyclopedia
- n. Fragments of already burnt fire-clay, as of the old saggars of a porcelain factory, ground to powder and used, in admixture with fresh fireclay, in making new vessels. The old material serves to diminish the shrinkage of the mixture in the burning.
- n. A ceramic raw material with a high percentage of silica and alumina.
“MARQUARDT MASS TUBES for temperatures up to 3,000°F., but they will not stand sudden changes in temperature, such as in contact with intermittent flames, without an extra outer covering of chamotte, fireclay or carborundum.”
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