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IFB28 Insulating Fire Brick

Temperature Grade

2800°F (1540°C)

Chemistry

Alumina, Silica

CCEFIRE® IFB28 insulating fire brick for high-temperature furnaces. Low heat loss, high refractoriness, excellent thermal shock resistance, and stable performance.

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CCEFIRE® IFB28 Insulating Fire Brick


CCEFIRE® IFB28 Insulating Fire Brick is a high-refractoriness lightweight mullite-based insulating refractory brick designed for higher temperature industrial furnace lining systems. Compared with medium-temperature insulating bricks, IFB28 features a higher alumina content and improved refractoriness, allowing it to maintain stable structural performance under more demanding high-temperature operating conditions.

The product is manufactured using high-purity refractory raw materials and a controlled pore-forming process. During firing, a uniform porous structure is formed, providing a lightweight body while maintaining good mechanical strength and thermal stability. The low thermal conductivity and low heat storage capacity effectively reduce furnace heat loss, thereby improving furnace operating efficiency and lowering overall energy consumption.

Thanks to its higher refractoriness and excellent thermal shock resistance, CCEFIRE® IFB28 Insulating Fire Brick can be used not only as a backup insulation material in furnace lining systems but also in selected high-temperature zones where additional insulation performance is required. Compared with medium-temperature insulating bricks, IFB28 is particularly suitable for furnace systems operating continuously at elevated temperatures.

With stable thermal performance, high refractoriness, and reliable structural properties, CCEFIRE® IFB28 Insulating Fire Brick is widely used in medium- to high-temperature industrial furnace systems across industries such as steel, petrochemical, non-ferrous metals, ceramics, and glass manufacturing.

Benefits

  • Superior Insulation Performance

    CCEFIRE® insulating fire bricks feature low thermal conductivity, effectively blocking heat transfer and delivering outstanding insulation performance.

  • Precise Dimensions

    Accurate external dimensions facilitate faster bricklaying, reduce the use of refractory mortar, ensure the strength and stability of masonry, and extend the service life of the lining.

  • Fire Resistance

    CCEFIRE® insulating fire bricks offer excellent fire resistance, maintaining stability in high-temperature environments and providing added safety in the event of a fire.

  • Fabrication-Ready & Customizable

    Supports Fabrication processing into burner blocks, support bricks, insulation components, and custom-shaped parts to match specific furnace designs.

Features of IFB28 Insulating Fire Brick


  • Low Thermal Conductivity for Superior Insulation

    Provides excellent thermal insulation, minimizing heat transfer and improving energy efficiency.

  • Low Heat Capacity for Energy Savings

    Stores minimal heat, reducing energy consumption during intermittent operations.

  • Low Impurity Content for High Refractory Performance

    Low iron and alkali content enhances heat resistance, while high aluminum content ensures stability in reducing atmospheres.

  • High Compressive Strength at Elevated Temperatures

    Maintains structural integrity and durability under high-temperature conditions.

  • Accurate Dimensions for Efficient Installation

    Speeds up installation, reduces mortar usage, and ensures stable, long-lasting brickwork.

  • Customizable Shapes to Reduce Joints

    Can be shaped into special forms, minimizing the number of bricks and joints, improving overall stability.

Application of IFB28 Insulating Fire Brick


Highly efficient energy-saving solutions

Steel Industry
Heat treatment furnaces
Reheating furnaces
Hot blast stoves
Furnace doors and high-temperature furnace lining areas
Petrochemical Industry
Cracking furnaces
Tube-type heaters
Reforming furnaces
Non-Ferrous Metal Industry
Melting furnaces
Annealing furnaces
Electrolytic cell insulation structures
Ceramics and Building Materials Industry
Tunnel kilns
Roller kilns
Pusher kilns
Glass Industry
Glass melting furnaces
Regenerator insulation layers
Other High-Temperature Equipment
Electric furnace linings
High-temperature insulation layers in industrial furnaces
Fabrication-processed refractory components for furnace lining systems

Specifications & Sizes

CCEFIRE ® IFB Insulating Fire brick
Item IFB-23C IFB-23 IFB-24 IFB-26 IFB-28 IFB-30 IFB-32
Classification Temp(℃) 1260 1260 1300 1430 1540 1650 1760
Bulk Density(g/cm3) 0.5 0.6 0.7 0.8 0.9 1 1.25
Crushing Strength(MPa) 1.2 1.2 1.4 1.6 2.1 2.5 3.5
Modulus of Rupture(MPa) 1 0.9 1.2 1.4 1.6 2.1 2.1
Permanent linear change (CT-30℃x24h)% 0.5 0.5 0.6 0.4 0.5 0.9 0.9
Reversible thermal expansion at 1100℃ 0.5 0.5 0.6 0.7 0.8 0.9 1.1
Thermal conductivity (W/m.k) 400 ℃ 0.12 0.12 0.14 0.27 0.32 0.41 0.49
600 ℃ 0.14 0.14 0.16 0.29 0.34 0.43 0.5
800 ℃ 0.16 0.17 0.18 0.31 0.36 0.44 0.51
1000 ℃ 0.18 0.19 0.2 0.33 0.38 0.45 0.53
1200 ℃ - - - 0.3 0.41 0.47 0.56
Chemical Analysis(%) Al2O3 37 37 44.5 58 67 73 77
Si02 47 44.4 41.2 39.1 31 25.1 21.5
Fe2O3 0.7 0.7 0.7 0.7 0.6 0.5 0.4
Common size 230 x 114 x 65/75mm | 9 ”x 4.5” x 2.5”/3”
or customized size

Custom size are available.Contact Us

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Adhere to Strict Quality Control System

CCEWOOL® products have won a number of authoritative certifications, including rach certification, Fraunhofer laboratory certification and CE certification, which fully prove the excellent quality of our products. These certificates are not only a strong guarantee of the quality of our products, but also ensure a worry-free process for your order. If you need to know more certification details or request relevant certificates, please feel free to contact us!

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