CUMI LAG 32

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.

Physical PropertiesUNITLimit ValueTypical Value
Maximum Hot Face Temperature°C17501750
Bulk Densitygm/cc1.35 max.1.28
Cold Crushing StrengthKg/cm235 min.50
Reheat Change (For 24 hrs.)%–0.4max.at1650°C-0.2at1650°C
Thermal Conductivity
At 400 C Hot Face Temp.0.70 max.0.59
At 600 C Hot Face Temp.W/m K0.70 max.0.59
At 800 C Hot Face Temp.0.55 max.0.47
At 1000 C Hot Face Temp.0.65 max.0.55
At 1200 C Hot Face Temp.0.70 max.0.58
Chemical Analysis
Al2O372.0 min.74.16
SiO2%24.0 max.23.21
Fe2O30.5 max.0.36
Recommended Laying MortarsCUMIBOND LM 36

AVAILABILITY & PACKAGING

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