CUMILAG 30
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 30
| Physical Properties | UNIT | Limit Value | Typical Value |
|---|---|---|---|
| Maximum Hot Face Temperature | °C | 1650 | 1650 |
| Bulk Density | gm/cc | 1.05 max. | 1.12 |
| Cold Crushing Strength | Kg/cm2 | 45 min. | 50 |
| Reheat Change (For 24 hrs.) | % | –0.4max.at1620°C | -0.2at1620°C |
| Thermal Conductivity | |||
| At 400 C Hot Face Temp. | 0.65 max. | 0.60 | |
| At 600 C Hot Face Temp. | W/m K | 0.65 max. | 0.60 |
| At 800 C Hot Face Temp. | 0.65 max. | 0.55 | |
| At 1000 C Hot Face Temp. | 0.65 max. | 0.60 | |
| At 1200 C Hot Face Temp. | 0.65 max. | 0.60 | |
| Chemical Analysis | |||
| Al2O3 | 72.0 min. | 73.60 | |
| SiO2 | % | 26.0 max. | 25.45 |
| Fe2O3 | 1.0 max. | 0.54 | |
| Recommended Laying Mortars | CUMIBOND LM 36 |
AVAILABILITY & PACKAGING
CUMILAG 23, 25, 26 : Calcined clay and Calcined Alumina based product
