In Kenya there are two main types of fire bricks (refractory bricks). They are classified according to their alumina content which determines the level of temperature they can withstand. These are:
- 40% alumina content refractory bricks
- 70% alumina content refractory bricks
The 40% alumina content firebricks are the most popular in the Kenya and east Africa due to their wide applications. They have a temperature rating of 13700C thus suitable in wide applications such as furnaces, combustions chambers, light duty kilns, pizza ovens, fire places among other applications. The standard size of the 40% alumna fire bricks in the country is 230mm by 115mm by 75mm and weighs approximately 4.2 kgs
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