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Refractory Bricks

April, 23, 2011

We offer superior High Alumina Refractory Bricks that are made from high grade raw materials. We have firmly positioned ourselves as one of the fastest emerging Insulating Refractory Bricks Manufacturers based in India. Our Refractory Bricks are in huge demands in the global markets for excellent strength and abrasion resistance nature. Refractory Bricks provided by us are available in varied dimensions and sizes and can be customized as per the demands of the clients. Our Refractory Bricks are characterized by porosity, mechanical resistance and thermal conductivity.

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A Guide To Refractories Firebricks

October, 14, 2013

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

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.


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

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


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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Everything About Fire Bricks

January, 30, 2015

Designed to withstand high temperatures, Fire Bricks are made from fire clay. These bricks are also known as Refractory Bricks. They find extensive use in kilns, liners, wood fired ovens, fireboxes, lining furnaces, fireplaces, etc. Owing to their low thermal conductivity, Fire Bricks result in better energy efficiency. Different varieties of Fire Bricks are available like Clay Bricks, Insulation Bricks, Dense Bricks, Heavy Duty Bricks, etc. These Bricks are known to improve the efficiency of almost all kinds of heating systems.

Uses of Fire Bricks

Below is an overview of different uses of Fire Bricks.


Different Fire Bricks and their uses


Fire Bricks are extensively used in different applications due to their properties like low thermal conductivity and high heat resistance. They are also used in steel and aluminum plants.

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