
40% Alumina Standard Size Fire Bricks - 230 x 115 x 75 mm (760°C)
Insulating Fire Bricks are lightweight, porous silica-alumina refractory bricks designed for high-temperature insulation. These bricks provide exceptional thermal resistance and are available in standard sizes, offering optimal energy efficiency for various thermal applications.
Also known as: Insulating Firebrick, Lightweight Firebrick, Silica-Alumina IFB, Heat Insulation Brick, IFB
- Temperature rating
- 1,093°C to 1,760°C
- Density
- 480–1,250 kg/m³
- Packaging
- Standard packed in cartons · Pallets with multiple bricks
- Supply basis
- Quotation against specification
About 40% Alumina Standard Size Fire Bricks - 230 x 115 x 75 mm (760°C)
Insulating Fire Bricks are specialized silica-based refractory materials uniquely formulated for high-temperature applications. These lightweight bricks are manufactured through precise pressing or extrusion techniques, which create a carefully controlled porous structure that significantly enhances thermal insulation performance. This specific grade of Insulating Fire Brick stands apart from generic varieties due to its tailored composition and properties that cater to industry requirements, ensuring optimal functionality in demanding environments. Constructed primarily from a blend of silica and alumina, with typical contents ranging from 30% to 50% for each component, these bricks exhibit distinct mechanical and thermal properties. The controlled porosity of the material not only contributes to a lower density, beneficial in reducing overall system weight, but also ensures improved energy retention. This composition results in a resilient design capable of enduring high temperatures while providing effective insulation against heat loss, which is crucial for energy efficiency in industrial applications. In terms of performance, Insulating Fire Bricks can tolerate temperature extremes typically spanning from about 1,093°C to 1,760°C, depending on the specific grade. Their low thermal conductivity ensures minimal energy transfer, making them ideal for applications where heat retention is critical. Additionally, the moderate compressive strength positions these bricks as reliable components in hot-face linings of kilns and furnaces, capable of withstanding thermal stress and maintaining structural integrity under intense operating conditions. Zenco Systems Ltd supplies these bricks in standard dimensions, making them easy to incorporate into existing installations. Buyers are encouraged to specify their requirements concerning dimensions and grades to ensure optimal performance. Typical packaging includes standard sizes that facilitate transport, and the supply network efficiently caters to Nairobi and other locations across East Africa. This ensures that the unique insulation needs of various industries can be met consistently and reliably.
Technical Specification
† 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
- Highly insulating
- Lightweight structure
- Moderate compressive strength
- Resistant to thermal shock
- Low density
- High-temperature resistance
- Porous composition
- Classified as per ASTM and ISO standards
- Easy to cut and install
- Compatible with various thermal applications
- Provides energy efficiency
Applications
The primary application of Insulating Fire Bricks is as hot-face linings in kilns and furnaces, where they provide essential insulation and protection against extreme temperatures.
- Hot-face linings in kilns and furnaces
- Backup insulation in furnaces and kilns
- Flue insulation
- Hot blast stoves
- Ceramic kilns
- Glass melting furnaces
- Heat treatment ovens
- Aluminum melting furnaces
- Refractory anchors support
- Industrial thermal reactors
- Boiler insulation
- Power generation equipment insulation
- Petrochemical reactors
- Oven insulation
- Industrial stoves
Industries served
Forms, Sizes & Packaging
Packaging
Typically supplied in cartons or pallets.
Supply Region
Kenya, East Africa
Supplier
Zenco Systems Ltd
Packaging options
- Standard packed in cartons
- Pallets with multiple bricks
- Custom packaging options available
Selection & Installation Guidance
When evaluating Insulating Fire Bricks against dense firebricks, it's essential to consider the application requirements. Insulating Fire Bricks are ideal for situations prioritizing reduced heat loss and overall weight, making them excellent for applications in kilns and furnaces. In contrast, dense firebricks offer higher mechanical strength and abrasion resistance; therefore, they are suitable where structural integrity and durability are critical. If minimizing thermal mass is a priority, Insulating Fire Bricks are the recommended choice; otherwise, dense firebricks may be preferable in high-stress applications.
Installation
Cut to size and secure according to application requirements.
Insulating Fire Bricks (IFBs) represent a highly specialized category of refractory materials crafted primarily from silica-alumina, making them an essential solution for high-temperature applications demanding superior insulation. Available in a brick format, these lightweight and porous materials are manufactured using extrusion and pressing techniques, yielding a controlled porous structure that minimizes thermal conductivity, with values ranging from approximately 0.15 W/m·K for lower-density grades to around 0.50 W/m·K for more robust alternatives. Zenco Systems Ltd supplies IFBs in standard configurations, ensuring they meet the diverse and specific needs of industries across East Africa. In the East African industrial landscape, IFBs are indispensable in various applications. Commonly utilized in cement kilns, glass melting furnaces, and heat treatment processes, these bricks function as hot-face linings or backup insulation, effectively maintaining temperature integrity and reducing energy costs. Their lightweight nature is particularly beneficial in equipment setups where minimizing overall weight is critical, for instance, in boilers and hot blast stoves, where they provide excellent thermal resistance without adding excessive strain to the structure. For your convenience, our Insulating Fire Bricks are typically supplied in carton and palletized formats, easing logistics and ensuring that they reach your facility in optimal condition. Standard size options generally adhere to industry benchmarks, facilitating effortless integration into existing setups. As an important specification, the classification temperatures for these bricks range from 1,093 °C for lower grades to an impressive 1,760 °C for higher grades, and their cold crushing strength varies between 1.1 MPa to 3.5 MPa depending on the chosen grade. This variety allows you to select bricks that best suit the specific thermal and mechanical demands of your operation. When selecting Insulating Fire Bricks, it is essential to match material properties to your operational requirements. Consider specific needs such as temperature thresholds or the nature of mechanical stresses. For example, using higher-grade bricks in environments with extreme temperature fluctuations can significantly enhance insulation performance. Zenco Systems Ltd is dedicated to maintaining an ample stock of Insulating Fire Bricks and ensuring timely deliveries across East Africa. For personalized assistance in determining the ideal specifications or to receive competitive quotes, please reach out to us today.
Safety & Handling
During installation, ensure to wear appropriate PPE, including gloves and masks. Store bricks in a dry, covered area to prevent moisture absorption, and avoid stacking beyond recommended limits to maintain structural integrity. The expected shelf life is contingent upon proper storage conditions.
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 temperature this brick can withstand?
The maximum classification temperature ranges from 1,093°C to 1,760°C.
What industries commonly use Insulating Fire Bricks?
Industries include metallurgy, glass, ceramics, and thermal processing.
Can Insulating Fire Bricks be used in high-stress environments?
They are suitable for many applications; however, dense firebricks may be preferred for high-stress areas.
What is the typical density of these bricks?
The density typically ranges from 480 kg/m³ to 1,250 kg/m³ depending on the grade.
How are Insulating Fire Bricks packaged for shipping?
They are typically supplied in cartons or pallets.
What is the cold crushing strength of these bricks?
The cold crushing strength typically ranges from 1.1 to 3.5 MPa.
Request a Quotation for 40% Alumina Standard Size Fire Bricks - 230 x 115 x 75 mm (760°C)
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