High Alumina Castables (THERMGUARD Series)
Technical Specifications
Property
Range / Values
Alumina Content
60–95%
Service Temperature
Up to 1850°C
Bulk Density
2.2 – 2.8 g/cc
Cold Crushing Strength
Medium to High
Thermal Conductivity
Stable
Grades Available
THERMGUARD K /M / A / A Spl / HA Spl
Key Benefits of High Alumina Castables
Excellent Hot Load Strength: Maintains structural integrity under high-temperature operating conditions.
Low Permanent Linear Change: Enhances dimensional stability during prolonged thermal exposure.
Excellent Resistance to Slag & Metal Penetration: Extends refractory lining service life in demanding industrial environments.
Recommended Applications of High Alumina Castables
Steel Industry: Ideal for ladle linings, tundish backup linings, and converter slag lines.
Cement Industry: Suitable for rotary kilns, coolers, and preheater wear zones.
Power & Boiler Plants: Recommended for furnaces, cyclones, ducts, and other high-wear refractory areas.