CUMILAG 25

USER INDUSTRIES

 Ceramic, Metallurgical
 Carbon black
 Fertiliser
 Iron & Steel
 Power generation

APPLICATIONS

 High temperature kiln hot face & backup lining
 Back up lining
 Primary reformer and hydrogen transfer lines back up,Secondary reformer cold face
 Blast furnace stoves
 High temperature air pre-heaters

DESCRIPTION

CUMILAG insulation exhibit unique combination of chemical, mechanical stability and insulating properties. They are suitable for applications at service temperatures ranging from 1250 C to 1850 C. They can be directly exposed to flame, and combustion products.

MAIN PROPERTIES

CUMILAG 25

Physical PropertiesUNITLimit ValueTypical Value
Maximum Hot Face Temperature°C13501350
Bulk Densitygm/cc0.85 max.0.80
Cold Crushing StrengthKg/cm220 min.25
Reheat Change (For 24 hrs.)%-0.5max.at1300°C-0.2at1300°C
Thermal Conductivity
At 400 C Hot Face Temp.0.27 max.0.19
At 600 C Hot Face Temp.W/m K0.30 max.0.22
At 800 C Hot Face Temp.0.36 max.0.30
At 1000 C Hot Face Temp.0.43 max.0.35
At 1200 C Hot Face Temp.
Chemical Analysis
Al2O350.0 min.51.72
SiO2%
Fe2O31.0 max.0.80
Recommended Laying MortarsCUMIBOND LK FX

AVAILABILITY & PACKAGING

 CUMILAG 23, 25, 26 : Calcined clay and Calcined Alumina based product