Insulating Fire Bricks-Vitcas Grade 23 - 2300°F/ 1260°C

Home Fire Bricks Heat Resistant Materials Insulation Fire Bricks Insulating Fire Bricks-Vitcas Grade 23 - 2300°F/ 1260°C

Vitcas Insulation Firebricks- Grade 23. Resistant to a high temperature of 1260oC / 2300oF. Dimensions: 230x114x76mm. Ideal for situations where heat storage properties are not desired, and for insulating in different refractories- ceramic kilns, furnaces, flues and other high temperature industrila equipment.

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Special Price £3.00 £2.50 Regular Price £7.19

Vitcas Insulation Fire Bricks- Grade 23. Resistant to 1260oC / 2300oF. Dimensions: 230x114x76mm

Vitcas Insulation Firebricks are made from high purity refractory clays in a process which results in a controlled pore structure. They are much lighter in weight than fireclay bricks and are recommended for situations where heat storage is undesirable. Silcas M- refractory mortar is recommended for setting Grade 23 insulation bricks.


As a primary hot face refractory lining in:

  • ceramic kilns
  • forges
  • heat treatment furnaces

As back-up insulation behind other refractories in:

  • furnaces
  • kilns
  • flues
  • refining vessels
  • heaters
  • regenerators
  • gas producers
  • main, soaking pits
  • stress relieving furnaces
  • reactor chambers
More Information
Product Group Fire Bricks
Size 230 x 114 x 76mm
Color White
Indoor Yes
Temperature 1260°C /2300°F
Manufacturer Vitcas
Insulation Yes
HS Tariff Code 6902209100
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  1. What is a Kiln? Construction and application The words kiln derived from old English cyln and furnace are often used interchangeably to describe a type of oven / stove which is heated to a very high temperature referred to as a firing process. According to the strict definition the difference is that a kiln is loaded when cold and then heated up whereas a furnace is heated up first before being loaded.
  2. What is Insulation and How It Works What is Insulation and How It Works Insulation is an important aspect of any high heat appliance, whether it is in your home or in industrial settings. When an appliance is properly insulated, it has many additional benefits conferred on it, i.e. it reduces heat loss which thus saves on energy consumption and as a result, is more environmentally friendly and more economically efficient. In the long term, this increases the life span of such appliances as they require less frequent
Customer Questions
How heavy is the brick itself?

It weighs approx. 1.2 kg.

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