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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 .
Refractory materials are useful for the following functions: [12] [2] Serving as a thermal barrier between a hot medium and the wall of a containing vessel; Withstanding physical stresses and preventing erosion of vessel walls due to the hot medium; Protecting against corrosion; Providing thermal insulation; Refractories have multiple useful ...
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."
The primary functions of a fireback are to protect the wall at the back of the fireplace and radiate heat from the fire into the room. The protection was especially important where the wall was constructed of insubstantial material such as daub (a mud and straw mixture coating interwoven wooden wattles), brick or soft stone.
Kiln furniture are devices and implements inside furnaces used during the heating of manufactured individual pieces, such as pottery or other ceramic or metal components. [1] Kiln furniture is made of refractory materials , i.e., materials that withstand high temperatures without deformation. [ 2 ]
Saggars in use in the Manufacture nationale de Sèvres Bungs of saggars inside a bottle kiln. A saggar (also misspelled as sagger or segger) is a type of kiln furniture. [1] [2] [3] It is a ceramic boxlike container used in the firing of pottery to enclose or protect ware being fired inside a kiln. The name may be a contraction of the word ...