{"id":1803,"date":"2022-05-28T23:00:07","date_gmt":"2022-05-28T18:30:07","guid":{"rendered":"https:\/\/kaafco.com\/?page_id=1803"},"modified":"2026-06-10T16:35:01","modified_gmt":"2026-06-10T13:05:01","slug":"insulated-firebrick","status":"publish","type":"page","link":"https:\/\/kaafco.com\/en\/insulated-firebrick\/","title":{"rendered":"Insulating Brick"},"content":{"rendered":"
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Insulating Brick | Kaaf Refractory Industries<\/h2>\n

High-Porosity, Low-Thermal-Conductivity Fire Bricks for Efficient Heat Insulation<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Insulating Brick<\/h2>\n

Insulating refractory bricks are one of the most practical and widely used products in the industry and are usually used Refractory Clay<\/a> Refractory or silica are made. These insulating bricks have a lower density than fireclay refractory bricks and alumina refractory bricks. Kaff Refractory Brick Products produces a variety of refractory insulating bricks and diatomite bricks with high quality and shock resistance.<\/p>\n

These lightweight refractory bricks feature high porosity, low thermal conductivity, and outstanding heat insulation. Their unique properties make them ideal for use as backup insulation layers in various types of furnaces. In many designs, lightweight bricks of different thermal grades are also used as primary lining in the furnace interior.<\/p>\n

Fireproof insulation<\/h2>\n

One of the key features of lightweight insulating fire bricks is their very low weight, high porosity, and low thermal conductivity, which significantly helps to prevent heat loss and maintain internal furnace temperature efficiently. Kaaf Industrial Group manufactures insulating refractory bricks for various temperature ranges, from 1260\u00b0C to 1650\u00b0C. Among the most widely used industrial grades are Grade 23 and Grade 26, known for their excellent thermal insulation performance in both backup and working linings of furnaces.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Buying insulating bricks<\/span><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>
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G23
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G25<\/strong><\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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G26<\/strong><\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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G30<\/strong><\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Insulating Fire Brick G23<\/span><\/h3>\n

Price of 1260\u00b0C Insulating Brick<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Insulation Fire Brick G26 | IFB<\/span><\/h3>\n

Insulation Brick Purchase Price<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Insulation Fire Brick G28<\/span><\/h3>\n

sale & price of Insulation Brick<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Insulating Refractory Brick Price<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Ultra-Lightweight Insulating Brick<\/span><\/h3>\n

Density Insulation Fire Brick 0.5<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Lightweight Insulating Brick<\/span><\/h3>\n

Density Insulation Brick 0.6<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Ceramic Fiber Blanket<\/a>
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Lightweight with High-Temperature Resistance<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Affordable Thermal Insulating Firebrick Prices<\/h2>\n

Due to their unique characteristics, insulating refractory bricks are generally more expensive than standard bricks. Features such as high-temperature resistance, lightweight structure, and thermal shock resistance make them essential for use in industrial furnaces.<\/p>\n

depends on several factors, including the production technology used, the quality of raw materials, and market demand. Some types of insulating bricks, designed with specialized chemical compositions, customized density, or advanced engineering, may come at a higher cost \u2014 but in return, they offer greater durability and optimal performance under extreme industrial conditions.<\/p>\n

For expert guidance on purchasing insulating refractory<\/a> and consultation on thermal insulation of industrial and construction structures, feel free to contact us<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Insulating Firebricks in industries<\/h2>\n

Lightweight insulating firebrick<\/a> is widely used for furnace insulation, particularly in the outer layers of kilns, to control and retain heat while minimizing energy loss. These bricks are typically made from industrial-grade materials with specific properties and high porosity. The trapped air within the porous structure significantly reduces the overall thermal conductivity, thanks to air\u2019s naturally low thermal transfer rate.\n\nKaaf Refractory Industrial Group, utilizing the technical expertise of Iranian engineers, manufactures high-quality thermal insulating firebricks using premium raw materials. This ensures superior product performance, particularly in terms of thermal shock resistance and durability.\n\nAnother key advantage of Kaaf\u2019s insulating brick is their exceptional resistance to thermal shocks. Moreover, the company offers a variety of insulation materials, making it easy for customers to find and purchase suitable solutions for insulating floors, ceilings, and walls in both industrial and construction projects.<\/p>\n

Outstanding features of lightweight fire bricks<\/h3>\n

The low thermal conductivity of insulating fire bricks is primarily due to the trapped air within their porous structure and the inherent properties of the raw materials used. The higher the porosity, the lower the thermal conductivity \u2014 although porosity alone is not the sole indicator of insulation performance.\nThe composition and structure of the refractory materials, as well as the characteristics of the Monolithic Refractories<\/strong><\/a> also play a critical role in thermal resistance. Kaaf Refractory\u2019s thermal insulation products offer effective solutions for heat shielding, fire protection, and thermal insulation of buildings, metal structures, and various industrial facilities.<\/p>\n

Lightweight thermal insulation in various industries<\/h3>\n

Oil, Gas, and Petrochemical Industry
\nPetrochemical Refineries and Power Plants
\nMetallurgical Industries
\nThermal Power Plants and Electricity Generation
\nTile and Ceramic Industries
\nCement and Glass Industries
\nLime, Cement, and Gypsum Kilns
\nPottery and Glazing Kilns<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Production of various types of lightweight insulating bricks<\/span><\/h2>\n

Kaaf Refractory Brick Factory<\/span><\/strong><\/p>\n

Buy with confidence \u2013 receive top quality \u2013 fast delivery<\/strong><\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Insulating brick models (Grade 23 to 30)<\/h2>\n

Lightweight refractory bricks or insulating bricks are produced in different models. In fact, each model of this thermal insulation has different applications in industries. Insulating with these refractory insulation products helps a lot in reducing energy consumption and energy waste.<\/p>\n

IFB 23 refractory brick<\/h3>\n

his product insulation brick has a heat resistance of up to 1260 degrees Celsius. It is mostly used in low to medium temperature furnaces. IFB 23 is a good choice for laboratory furnaces, ceramic kilns and environments that require lightweight and economical insulation. The use of this grade, due to its low thermal conductivity, plays an important role in reducing energy consumption.<\/p>\n

Insulating Fire Brick G25 IFB<\/h3>\n

IFB Grade 25 insulation brick can withstand temperatures up to 1320 degrees Celsius. It is used for medium-temperature industrial furnaces. This grade is very useful in cases where reducing energy loss and improving furnace efficiency are important. For this reason, the cement, pottery, and ceramic industries usually use these products for their insulation layers.<\/p>\n

Insulation Fire Brick G26 | IFB<\/h3>\n

Grade 26 lightweight insulating refractory brick provides thermal resistance up to 1430\u00b0C. It is suitable for furnaces with heavier operating conditions. Due to its high thermal stability, this insulating brick is widely used in the middle layers of high temperature furnaces as well as in industries such as glass making, petrochemicals, and even special thermal furnaces that require more resistance.<\/p>\n

Firebrick 28 IFB<\/h3>\n

This insulating refractory brick has the ability to withstand temperatures up to 1540 degrees Celsius. It is designed for use in furnaces with harsh working conditions and high temperatures. IFB Grade 28 insulating brick plays a key role in maintaining efficiency and reducing energy loss in steel making furnaces, metal smelting, and industries where high temperatures are constantly present.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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refractory brick 30 IFB<\/strong><\/p>\n

Grade 30 insulating brick has the highest level of thermal resistance among all types of insulating refractory bricks. This product can withstand temperatures up to 1650 degrees Celsius. Due to its special characteristics, this grade is an ideal choice for very hot furnaces such as iron smelting furnaces and heavy metal industries. Using IFB 30 insulating brick increases the safety and efficiency of furnaces. It also increases the useful life of the equipment.<\/p>\n

Note :<\/strong> Selecting the right grade of insulating refractory brick is not based solely on its temperature rating. Factors such as furnace type, operating conditions, thermal cycles, installation method, and service environment can also affect the final performance of the product. The temperature values stated for each grade are general technical guidelines and may vary depending on manufacturing standards, raw material composition, and actual operating conditions. Therefore, for a more accurate selection, reduced heat loss, and longer equipment service life, it is recommended to review the project conditions and product specifications with the specialists at Kaaf Refractories before purchasing insulating bricks.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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The best insulating refractory brick<\/span><\/h2>\n

Kaaf refractory<\/span><\/strong><\/p>\n

Purchase of heat resistant insulation<\/span><\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Standard dimensions of insulating bricks<\/h2>\n

In general, thermal insulation bricks, lightweight refractory bricks, and diatomite bricks are produced in standard dimensions. We have mentioned these dimensions below. In case of high-volume orders, insulating refractory bricks and diatomite bricks can be produced in different dimensions according to your needs.<\/p>\n

NF1: 230\u00d7114\u00d764 \u2013 230\u00d7114\u00d776
\nNF2: 250\u00d7124\u00d764 \u2013 250\u00d7114\u00d776<\/p>\n

Temperature of insulation products:<\/h3>\n