Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A type of clay that is able to withstand intense heat, used to make firebricks, crucibles, and other objects that are exposed to high temperatures.
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2300°F
Glassmaking terms
avolio, aeolipile, rhyton, came, acid etching, acid stamping, twist, air twist, annealing, at-the-fire, glory hole, glazier and 67 more...
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reesetee In glassmaking, this is clay that can be subjected to a high temperature without fusing, and which is therefore used for making crucibles in which glass batches are melted. Fire clay is rich in silica, but contains only small amounts of lime, iron, and alkali. Nov 8, 2007