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2. Fire brick - Wikipedia

   en.wikipedia.org/wiki/Fire_brick

   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 .

3. Cob (material) - Wikipedia

   en.wikipedia.org/wiki/Cob_(material)

   Cob is fireproof, [16]: 28 while "fire cob" (cob without straw or fiber) is a refractory material (the same material, essentially, as unfired common red brick), and historically, has been used to make chimneys, fireplaces, forges and crucibles. Without fiber, however, cob loses most of its tensile strength.

4. Fire clay - Wikipedia

   en.wikipedia.org/wiki/Fire_clay

   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."

5. Refractory - Wikipedia

   en.wikipedia.org/wiki/Refractory

   Standard shapes have dimensions that conform to conventions used by refractory manufacturers and are generally applicable to kilns or furnaces of the same types. Standard shapes are usually bricks that have a standard dimension of 9 in × 4.5 in × 2.5 in (229 mm × 114 mm × 64 mm) and this dimension is called a "one brick equivalent".

6. Grog (clay) - Wikipedia

   en.wikipedia.org/wiki/Grog_(clay)

   In Middle and South Europe, grog is used to create fire-resistant chamotte type bricks and mortar for construction of fireplaces, old-style and industrial furnaces, and as component of high temperature application sealants and adhesives. A typical example of domestic use is a pizza stone made from chamotte. Because the stone can absorb heat ...

7. The 20 Black Friday deals AOL shoppers are buying the most

   www.aol.com/lifestyle/most-popular-black-friday...

   Here are the most popular Black Friday deals our AOL readers have been shopping today, including AirPods, smart plugs, Kate Spade bags, and Old Navy coats.