IN-32 3200°F
Insulating Firebrick


Insulating Firebricks (IFB), also known as Fire Bricks, are used in high-temperature applications ranging from 2,000°F (1,093°C) to 3,200°F (1,760°C). IN-32’s are rated for 3200℉. The recommended operating temperature is 3,000°F.

If you need a specific grade, machining, different shapes, or operating in excess of 3,000°F please contact our office directly for a custom quote.

Shipping Information

Insulating Firebricks must be shipped freight to ensure safe delivery. Orders less than a full pallet incur a $50 broken pallet fee. Please contact us directly for a custom shipping quote or place your order and a CeraMaterials’ representative will contact you to confirm shipping cost before processing your order. If you would like to pick up the material, please contact the office directly for available options.

SKU: N/A Category:


Temperature Rating: 3200℉

Grade: IN-32

Density: 75lbs/ft³

Product Documentation


  • Lining Kilns
  • Insulating Ovens, Furnaces, and Flues.
  • Fireplaces and Fireboxes.
  • Glass and Ceramic industries.
  • Electrolytic Aluminum Industries.
  • Iron & Steel Industries.
  • Non-Ferrous Metals industries.
  • Power Generation Industries.


  • High purity and superior insulating values.
  • Excellent strength at ambient and elevated temperatures.
  • High compression and cold crushing strength
  • Low thermal conductivity
  • Precise dimensions and machining.
  • Lightweight and energy-efficient.
  • Lower heat storage than denser refractories.
  • Extremely low levels of iron and other impurities.
  • Quick and economical heating to operating temperatures.
  • Cools quickly to minimize time on periodic operations.
  • Rigid and capable of exposure to harsh and abrasive applications.
  • Easily cut or modified with standard hand tools.
  • Differing grades and formulations to meet specific thermal and physical requirements.


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