Innovation and Technology


High Alumina Checker Firebrick

High Alumina Checker Firebrick

“Alumina Silica Fire Bricks” refers to a type of refractory brick that is formulated using a combination of alumina and silica as its main components. These bricks are widely utilized in high-temperature industrial applications due to their excellent heat resistance and other favorable properties. They are often used to line furnaces, kilns, and other equipment in industries such as steel, glass, ceramics, and cement manufacturing.

Alumina and silica are key components that contribute to the refractory properties of these bricks. Alumina provides high-temperature stability, mechanical strength, and resistance to chemical attack, while silica contributes to thermal insulation and helps maintain the bricks’ integrity at high temperatures. The precise composition of alumina and silica can vary based on the specific requirements of the application.

Alumina Silica Fire Bricks typically possess attributes such as good thermal conductivity, low thermal expansion, and resistance to thermal shock. These properties make them suitable for environments where they are exposed to rapid temperature changes, high temperatures, and mechanical stress.

The bricks can be shaped into various forms and sizes to fit different equipment configurations, and they play a critical role in maintaining the structural integrity of industrial furnaces and kilns, enabling efficient and safe operations in high-temperature settings.

High Alumina Brick – High Alumina Checker Firebrick

High Alumina Checker Firebrick date
High Alumina Checker Firebrick Physical and Chemical Index:
Al2O3 (%)80≥75≥65≥55≥48
Refractoriness  (°C )≥1790≥1790≥1790≥1770≥1750
Bulk density  (g/cm3)2.652.52.452.42.3
Softening temperature under load  (°C )1530≥1520≥1500≥1470≥1420
ReheatingLinear Change Rate  (%)1500°CX2H0.
Apparent porosity (%)22≤23≤23≤22≤22
Cold crushing strength (Mpa)55≥50≥45≥40≥35
Applicationsteel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace.
Select the category that suits your needs or specify the dimensions required.
Distinctive Characteristics & Benefits of High Alumina Checker Firebricks

Exceptional Refractoriness: These firebricks exhibit an outstanding capacity to withstand high temperatures, ensuring reliable performance even in extreme heat.
Impressive Spalling and Wear Resistance: Demonstrating remarkable resilience against spalling and wear, these bricks maintain their integrity over extended periods of use.
Notable Corrosion Resistance: With a commendable ability to resist corrosion, these firebricks remain resilient in the face of chemical reactions and harsh environments.
Superior Thermal Shock Resilience: These bricks excel in thermal shock resistance, defying cracks or fractures even during rapid temperature changes.
Robust Mechanical Strength: Bolstered by high mechanical strength, these firebricks uphold their structural integrity, even when subjected to mechanical stresses.
Minimal High-Temperature Creep: The low rate of high-temperature creep ensures sustained dimensional stability and structural reliability.

Applications of High Alumina Checker Firebricks: Steel Furnaces, Iron-Making Furnaces, Glass Kilns, Ceramic Tunnel Kilns, Cement Kilns, The extraordinary attributes and versatile applications of high alumina checker firebricks make them an essential asset across industries that demand unwavering performance under extreme conditions.

Message WhatsApp