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A fire brick, firebrick, fireclay brick, or refractory brick is a block of ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal conductivity for greater energy efficiency .
Fire clay in a furnace. Fire clay is a range of refractory clays used in the manufacture of ceramics, especially fire brick.The United States Environmental Protection Agency defines fire clay very generally as a "mineral aggregate composed of hydrous silicates of aluminium (Al 2 O 3 ·2SiO 2 ·2H 2 O) with or without free silica."
Clay engineering bricks are defined in § 6.4.51 of British Standard BS ISO 6707-1;2014 (buildings & civil engineering works - vocabulary - general terms) as "fire-clay brick that has a dense and strong semi-vitreous body and which conforms to defined limits for water absorption and compressive strength". [2]
Refractory bricks in a torpedo car used for hauling molten iron. In materials science, a refractory (or refractory material) is a material that is resistant to decomposition by heat or chemical attack and that retains its strength and rigidity at high temperatures. [1]
Earthenware, usually reddish in colour and often unglazed. Some disciplines define it by the type of object made rather than the material. Used for sculptures and in archaeology for fired clay objects that are not pottery vessels. [18] Tin-glazed A ceramic glaze that is white, glossy and opaque, which is normally applied to red or buff earthenware.
The tableware was enclosed in sealed fireclay saggars; as the heat and smoke from the fires passed through the oven it would be fired at temperatures up to 1,400 °C (2,600 °F). Biscuit kiln: The first firing would take place in the biscuit kiln. Glost kiln: The biscuit-ware was glazed and given a second glost firing in glost kilns.
The pastel blue cabinetry pops against a fireclay apron-front sink (House of Rohl) and glazed wall tiles . Cabinet Paint Color: Wedgewood Gray by Benjamin Moore Tara Donne
The definition of pottery, used by the ASTM International, is "all fired ceramic wares that contain clay when formed, except technical, structural, and refractory products". [1] End applications include tableware , decorative ware , sanitary ware , and in technology and industry such as electrical insulators and laboratory ware.