Refractory Bricks

Insulation Bricks Cold Face - 230 x 115 x 75 mmc (1260°C)

Insulating Fire Bricks are lightweight alumina-silicate ceramic bricks designed for thermal insulation in high-temperature applications. They enable low thermal conductivity and help reduce energy loss in kilns and furnaces. Zenco offers these bricks in loose packaging to meet various installation requirements.

Also known as: Insulating Fire Brick, IFB, Insulation Brick, Lightweight refractory brick

Temperature rating
1260°C
Density
0.45 to 0.60 g/cm³
Packaging
Loose bricks · Bricks on pallets
Supply basis
Quotation against specification

About Insulation Bricks Cold Face - 230 x 115 x 75 mmc (1260°C)

Insulating Fire Bricks (IFBs) are advanced lightweight refractory bricks composed of alumina-silicate ceramic fibers, engineered specifically for high-temperature applications. This particular grade is distinguished by its alumina content, ranging from 38% to 45%, which significantly enhances its insulating capabilities compared to standard materials. Manufactured under carefully controlled conditions, these bricks ensure consistent quality and performance, making them an ideal choice for thermal insulation in challenging environments, such as kilns and industrial furnaces. The structural integrity and thermal performance of IFBs are rooted in their unique composition. With high porosity and low density, these bricks exhibit impressive resistance to thermal conduction, allowing them to efficiently maintain temperature within high-heat processes. The optimal ratio of alumina and silica is crucial, providing both mechanical stability and improved energy efficiency. This combination ensures that the bricks can tolerate high temperatures while minimizing heat loss, thereby creating favorable operating conditions in thermal management applications. In service, these insulating bricks are capable of withstanding temperatures of approximately 1260°C (2300°F), ensuring reliable thermal performance in various industrial settings. Their bulk density typically ranges between 0.45 to 0.60 g/cm³, striking a balance between lightweight handling and robust durability. The low thermal conductivity, generally around 0.16 W/m·K, translates to significant energy savings during operations, as less heat escapes and process control remains optimized, enhancing overall productivity. Zenco Systems Ltd supplies these Insulating Fire Bricks in loose brick form, making them adaptable to specific project requirements. Before ordering, buyers should confirm their needs regarding quantity and any specific sizing, ensuring they receive the right products for their applications. Efficient logistics facilitate timely deliveries across Nairobi and the broader East Africa region, supporting various industries requiring quality thermal insulation solutions.

Technical Specification

Material CompositionAl₂O₃ 38–45%, SiO₂ 48–55%, Fe₂O₃ < 2.0%, TiO₂ < 1.5%, CaO + MgO < 1.0%†
Temperature Rating1260°C†
Density0.45 to 0.60 g/cm³†
Thermal Conductivity0.16 W/m·K†
Compressive Strength1.2 MPa†
Standards ComplianceASTM C182†

† Indicative figures for this material class. Grade, density and temperature rating vary between manufacturers, so these are confirmed against the manufacturer's datasheet for the grade supplied when we quote. Request the datasheet for the certified values.

Key Properties

  • Low thermal conductivity
  • Lightweight for easy handling
  • High porosity for heat retention
  • Non-combustible material
  • Resistant to thermal shock
  • Low heat storage capacity
  • Chemically inert
  • Easily cut and shaped
  • Temperature resistance up to 1260°C
  • Suitable for non-load-bearing applications
  • Excellent insulation properties
  • Durability against high temperatures

Applications

The primary application for Insulating Fire Bricks is as thermal insulation linings in heat-treatment furnaces, where they significantly enhance energy efficiency by minimizing heat loss during operations.

  • Kiln thermal insulation
  • Heat-treatment furnace backup linings
  • Furnace insulation to reduce heat loss
  • Insulation for pottery kilns
  • Insulation in glass manufacture
  • Thermal processing equipment
  • Backup linings for high-temperature applications
  • Insulation for metal heat-treating furnaces
  • Insulation in industrial heating systems
  • Heat recovery units
  • Furnace door insulation
  • Insulation for high-temperature combustion chambers
  • Thermal barriers in ceramics manufacturing
  • Low-energy heating systems
  • Insulation in petrochemical plants

Industries served

MetallurgyCeramicsPotteryGlass manufactureHeat-treatment and thermal processing

Forms, Sizes & Packaging

Packaging

Loose bricks

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

Packaging options

  • Loose bricks
  • Bricks on pallets
  • Custom quantities available

Selection & Installation Guidance

When comparing Insulating Fire Bricks (IFBs) with standard dense firebrick, it is important to note their distinct qualities. IFBs excel in thermal insulation, significantly minimizing heat loss and improving energy efficiency, making them ideal for applications where insulation is the core requirement. In contrast, dense firebricks are preferred when durability and load-bearing capabilities are essential. For projects where heat retention is vital and weight savings are a factor, IFBs should be prioritized. However, if the application demands mechanical strength and resistance to abrasion, then the dense alternatives would be a better choice.

Installation

Cut to size and install using mortar or mechanical anchors.

Insulating Fire Bricks (IFBs) are lightweight refractory bricks primarily composed of alumina and silica, designed for exceptional thermal insulation in high-temperature environments. These high-performance bricks are typically supplied loose, facilitating straightforward installation in various industrial applications. Their high porosity and low thermal conductivity make them ideal for insulating processes in sophisticated thermal management systems such as cement kilns, glass furnaces, and heat-treatment chambers. Within industries such as metallurgy, ceramics, and glass manufacturing, Insulating Fire Bricks are employed to provide reliable thermal insulation that minimizes heat loss, thereby enhancing overall energy efficiency. For instance, they can be utilized as backup linings in heat-treatment furnaces, ensuring that heat is contained effectively to optimize the heating process. Their performance characteristics, such as high thermal resistance up to 1260°C (2300°F) and cold crushing strength of around 1.2 MPa, make them particularly suitable for environments where temperature stability and insulation are critical. At Zenco Systems, we offer a variety of standard IFB options with alumina content ranging from 38% to 45% and silica content around 48% to 55%. This composition not only contributes to their effectiveness as insulators but also to their low density, typically between 0.45 to 0.60 g/cm³, enhancing their ease of handling. Buyers can choose the appropriate grade based on their specific operational needs, and understanding these specifications can significantly impact performance. Thermal conductivities at 400°C can range from approximately 0.16 to 0.25 W/m·K, depending on the grade selected, an important consideration for those planning efficient energy use. Zenco stocks a comprehensive selection of Insulating Fire Bricks, enabling prompt delivery across Nairobi and throughout East Africa. Our IFBs come in loose packaging, which allows for flexible ordering based on unique project requirements. Clients are encouraged to check the necessary specifications, including dimensions and grades, to ensure compatibility with their existing systems. We are dedicated to equipping businesses with high-quality insulating materials that support efficient thermal management solutions. Contact us today for a personalized quotation and to find out more about how our Insulating Fire Bricks can elevate your operations.

Safety & Handling

Always handle Insulating Fire Bricks with gloves and dust masks to avoid any irritation. For storage, keep in a dry area away from moisture to prevent degradation. Limit stacking to ensure bricks do not crush each other and maintain integrity.

Documentation

The manufacturer's technical datasheet and safety data sheet for the grade supplied are issued with every quotation, and name the certified values for this material.

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Frequently Asked Questions

What is the maximum continuous service temperature?

The typical classification temperature for this type of brick is 1260°C.

Do you offer custom cutting or fabrication?

Custom cutting options are available; please contact for specifications.

What is the density of the Insulating Fire Brick?

The density typically ranges between 0.45 to 0.60 g/cm³.

How are these bricks packaged for shipment?

The bricks are supplied in loose stacks for convenience.

What applications are these bricks suited for?

They are ideal for kiln insulation, heat treatment furnaces, and thermal processing equipment.

What are the typical properties of Insulating Fire Bricks?

They have low thermal conductivity and a cold crushing strength of around 1.2 MPa.

Request a Quotation for Insulation Bricks Cold Face - 230 x 115 x 75 mmc (1260°C)

Tell us the grade, dimensions and quantity you need and we will come back with a price, the manufacturer's datasheet and lead time for your order.

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