+86-533-2805169

Tabular Alumina Plays A Vital Role In Various Refractory Castables

Jun 12, 2025

Main function:

 

01 Improve fire resistance

 

Tabular alumina has extremely high refractoriness.

 

Usually ≥1800℃, and the melting point can reach up to 2050℃. This allows the refractory castable made of it to withstand higher temperatures and maintain structural integrity and ultra-high stability. Even in high temperature environments, the tabular alumina castable can maintain high strength and stability and will not lose its performance at high temperatures.

 

02 Enhanced corrosion resistance

 

Tabular alumina has excellent chemical stability and can resist corrosion from corrosive substances such as acids, alkalis, and salts.

 

This allows the refractory castable made of it to be used for a long time in a corrosive environment without damage. Under acid, alkali and high-temperature gas erosion, it shows high corrosion resistance and can protect the refractory castable from chemical corrosion and high-temperature gas erosion.

 

03 Improve wear resistance

 

Tabular alumina has excellent wear resistance and can resist various abrasions and impacts.

 

This makes the refractory castable made of it have a high wear life and is suitable for various high-wear environments. It can not only withstand the high-speed flow and wear of materials, but also withstand mechanical shock and particle impact.

 

 

04 Improve thermal stability

 

Tabular alumina has low thermal conductivity and can effectively insulate heat.

 

By reducing heat conduction and heat dissipation, tabular alumina can maintain thermal stability and improve thermal efficiency. This makes the refractory castable made from it have good thermal insulation properties and is suitable for occasions that require heat preservation. It also has excellent resistance to cold and hot cycles, and can maintain stable performance in cold and hot cycle environments without cracking caused by thermal expansion and contraction.

 

05 Improve mechanical strength

 

Tabular alumina has high strength and hardness, which makes it resistant to external forces and compression.

 

Refractory castables produced with tabular aluminahave high structural stability, are not easily deformed or damaged, and can maintain stable shape and performance for a long time.

 

06 Optimize construction performance

 

tabular alumina castable has good plasticity and castability, is easy to construct and shape, and is suitable for the production of refractory components of various shapes.

 

Its hydration reaction rate is low and its fluidity is good, which makes it easier to obtain a uniform and dense refractory layer during construction.

 

Send Inquiry