Today, Firebricks have an extensive usage in several industries like iron & steel, chemical, construction, and many others. Firebricks are, basically, special kind of bricks that can easily withstand different temperature ranges and can bear repeated cooling and heating. Owing to the excellent structural and insulating qualities, Firebricks are best suited for building heat and flame prone areas like burner pots, chimneys, fireboxes, kilns, etc.


Firebricks-An overview

  • Hard & Soft :

You can choose from two types of Firebricks, hard bricks and soft bricks. Hardbricks are an important material for building chimneys, burner pots, fireboxes, large kilns, etc. Because of their high density, durability and structural qualities, they are suitable for use around direct flame. Softbricks, on the other hand, are used for constructing insulating liners in reduction kilns or electric kilns. The Softbricks are also called insulating firebricks (IFBs). These lightweight bricks are made up of refractory clay that contains combustible materials.


  • Available In Various Grades

Firebricks are majorly made up of alumina and silica, which makes them resistant to high temperatures. As per the specific use, these Firebricks can be chosen from the long list of grades that vary according to their composition and properties. These Firebricks are graded into:

  1. Low-duty Firebricks
  2. Medium duty Firebricks
  3. High Duty (first-quality firebrick) Firebricks
  4. Super Duty Firebricks
  5. High-Fired Super Duty Firebricks

  • Varying Shapes

Most of the Firebricks are either pressed or extruded. The brick mix is air hammered into wooden or steel molds for making bigger pieces as per the desired dimensions and shapes. Some of the most common shapes of Firebricks are:

  1. Straights
  2. Square edge tile
  3. Soaps
  4. Splits
  5. Arch
  6. Wedge
  7. Skew

Few Points To Remember

  • The properties of Refractories and Firebricks are affected with their consistent exposure to chemical vapors, extreme heat, thermal cycling, mechanical stress, etc.
  • Any kind of saw can easily cut the softbricks, however, special equipment such as a tile cutting saw is required to cut the hardbricks

For the finest range of Refractories and Firebricks, J R Refractory is the right choice. The company is one of the most prominent Refractory Fire Bricks Manufacturers and Exporters in India. It deals in a huge assortment of Refractory Products such as Insulating Castables, Refractory Mortars, and Insulating Bricks, Silicate Insulation Blocks, and many more. The firm is also a highly acclaimed Ceramic Fiber Blanket Manufacturer in India. For more information about the company, you can log on to www.firebricks.in/.


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This entry was posted on October, 14, 2013 at 14 : 43 pm and is filed under Refractory Bricks. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response from your own site.


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