A brick that is not damaged by high temperatures and is therefore used when building things, such as chimneys and fireplaces, that will reach high temperatures
brick designed to withstand high temperatures Made with special fireclays Most common standard size is 2 1/2" x 4 1/2" x 9" but is produced in various sizes and shapes
Brick capable of withstanding high temperatures Used in furnaces, kilns and stoves Used to mean only "hard" or "dense" firebrick as distinguished from "soft" or "insulating" firebrick
A brick capable of withstanding high temperatures without deforming 'Insulating firebricks' have the additional advantage of acting as good insulators due to the large pockets of air in the matrix of the brick There are many different kinds of firebricks available, some very expensive Types are categorized for their heat duty and the types of materials and atmospheres they must come into contact with