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A brick made from an infusible material, such as fireclay, that can withstand high temperatures without melting or cracking. The ability of a fire brick to resist heat degradation is directly related to its alumina content. In the United States, fire brick are given pyrometric cone equivalent (PCE) ratings:
- Grade 1- super duty (PCE 33),
- Grade 2 -high duty (PCE 31.5),
- Grade 3-medium heat duty (PCE 29) and
- Grade 4 -low heat duty (PCE 15).
Fire brick are used for lining furnaces, kilns, and chimneys.
Synonyms and Related Terms
brique réfractaire (Fr.); tijolo refractário (Port.);magnesia brick;
Brand names: Alamo brick; Varnon brick; Kaosil firebrick; Korundal; Chromite brick; Firecrete; Insuline; Insulbrix
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000