Fire brick

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

A fire brick, firebrick, fireclay brick, or refractory brick is a block of ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces.

Excerpt from the Wikipedia article “Fire brick”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Eugen Nosko, CC BY-SA 3.0 de, via Wikimedia Commons.