Non-metallic materials that sustain their vigor while they are exposed to extremely elevated temperatures are the fundamental characteristics that identify refractories. Found in incinerators, kilns, reactors, and other units that require high heat for functionality, refractories are the materials that are more resistant to thermal stress than metals and are utilized in instances where heating applications rise above the temperature of 1000 degrees Fahrenheit. Refractories that are in environments where chemical agents are apparent can also withstand the physical breakdown and corrosion caused by the chemical elements
Refractories are comprised of a wide variety of materials that have been adapted and utilized in an assortment of applications. Usually shaped in brick form, refractories are manufactured into a variety of different shapes and sizes for thousands of assorted uses. Two categories make up the classification of refractories, including fired shapes or brick and monolithic or specialty refractories. Castables, plastics, ramming mixes or gunning mixes, or a combination of both, make up refractory linings. Refractories are prepared to resist assault from chemicals, endure slag erosion, catalytic heat, thermal shock, and other comparably unpleasant circumstances.
Produced from materials that are natural and synthetic materials that are normally non-metallic, refractories consist of compounds and combinations of minerals including, but not limited to, fireclays, chromites, dolomite, magnesite, silicon carbide, zirconia and alumina. Combined together and formed into the solid structures used to construct fireplaces, kilns, and lining boilers or furnaces, these refractories not only come in varying shapes, they also come in diverse volumes, ranging from small with complex geometrics or gigantic, weighing in at several tons such as fusion cast blocks.
Most refractories, when produced, are usually developed for particular functions since the main ingredients in refractories provide an assortment of properties and characteristics. Refractories are maintaining job stability for millions of people, including engineers, technicians, scientists, factory workers, astronomers, chefs, and numerous lists of jobs throughout the nation that depend on the products those refractories create. The future outlook for these jobs is fantastic and the growth in the industry that reflects the ongoing need for the refractories is becoming more evident as the industry evolves.