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Insulating Firebricks (IFB)

Insulating Firebricks (IFB) are a group of Refractories that have evolved from Dense Firebrick by increasing the porosity and lowering the Bulk Density level. However there are limitations with this approach and the modern IFB ranges are based on sophisticated microstructures generated by specialised manufacturing processes.
To achieve the lowest Thermal Conductivity, which is the main aim of an IFB, it is necessary to maximize the porosity therefore lowering the Bulk Density.

In common with many specialist materials our Insulating Firebricks combine a number of features within a single material. For example:

• High Porosity (to achieve low Thermal Conductivity Levels)
• High Thermal Shock Resistance
• Low – High Temperature creep (Shrinkage)
And
• Cold Strength (For safe Transportation and Handling and Yet
• Hot Strength is required to prevent subsidence in Service

Main Points to remember before selecting the Correct Brick

• Is Thermal Shock a possibility
• Is Chemical Attack a threat
• Furnace Operating Temperature

Whether your choice of brick is determined by Temperature, Furnace atmosphere or a specific application we are always able to advise you on your choice of Brick. We can use our Heat Flow Calculation to confirm the selection and show Temperatures on the Hot Face, Inter Faces and the Cold Face.

	BNZ Insulating Firebricks
	Calor Insulating Firebricks

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