| Webster's Online Dictionary |
| Expressions | Definition | ||
| Fire clay | Fire clay is a specific kind of clay used in the manufacture of ceramics. The fire attribution is given for its refractory characteristics. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Fire clay | Chemistry | General term for refractory clays which occur beneath coal seams, especially in Carboniferous rocks and which are characterized by a high kaolinite content, low alkalies and lime and an ability to withstand temperatures of the order of 1500-1600 degrees C without disintegrating or melting. Source: European Union. (references) | |
| Grog fire clay mortar | Mining | Raw fireclay mixed with calcined fireclay, or with broken fireclay brick,or both, all ground to suitable fineness. (references) | |
| Jersey fire clay brick | Mining | A highly siliceous clay brick, semisilica brick. (references) | |
| Low-duty fire clay brick | Mining | A fire-clay refractory having a pyrometric cone equivalent not lower than19 and a minimum modulus of rupture of 600 psi (4.1 MPa). (references) | |
| Siliceous fire clay | Mining | A fire clay composed mainly of fine white clay mixed with clean, sharp sand, found in pockets. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||