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 Properties | UNIT | Limit Value | Typical Value |
|---|---|---|---|
| Maximum Hot Face Temperature | °C | 1350 | 1350 |
| Bulk Density | gm/cc | 0.85 max. | 0.80 |
| Cold Crushing Strength | Kg/cm2 | 20 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 K | 0.30 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 | |||
| Al2O3 | 50.0 min. | 51.72 | |
| SiO2 | % | – | – |
| Fe2O3 | 1.0 max. | 0.80 | |
| Recommended Laying Mortars | CUMIBOND LK FX |
AVAILABILITY & PACKAGING
CUMILAG 23, 25, 26 : Calcined clay and Calcined Alumina based product
