They have low thermal conductivity and are excellent for forging or fireplaces.
Ceramic fire brick forge.
Kiln bricks also referred to as fire bricks or refractory bricks are made from ceramic refractory material that can withstand extremely high temperatures such as those achieved in kiln firings.
Dense firebrick is a heat sink.
I would not recommend using hard dense firebrick to line your forge.
The answer to this question has a few answers.
I would recommend using a brick with a 2800 f temp rating.
Firebricks are used to line the inner surfaces of furnaces kilns and forges.
Refractory materials are non metallic ceramic materials that can withstand high temperatures.
The bricks typically line the inside of a kiln furnace fireplace etc and serve as great insulators making heat loss minimal and energy use.
A firebrick or refractory brick is a ceramic brick made from refractory material that can withstand high temperatures.
As such they are extremely useful to hobbyist blacksmiths and machinists who wish to build their own forge or foundry.
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So which fire bricks should you.
They are often used in a number of industrial applications such as furnaces kilns foundries incinerators and reactors.
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Yes you can line a forge with soft insulating firebrick.