CUMILAG 23
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 23
| Physical Properties | UNIT | Limit Value | Typical Value |
|---|---|---|---|
| Maximum Hot Face Temperature | °C | 1260 | 1260 |
| Bulk Density | gm/cc | 0.60 max. | 0.55 |
| Cold Crushing Strength | Kg/cm2 | 10 min. | 0.55 |
| Reheat Change (For 24 hrs.) | % | +/-1.5max.at1250°C | -0.7at1250°C |
| Thermal Conductivity | |||
| At 400 C Hot Face Temp. | 0.20 max. | 0.14 | |
| At 600 C Hot Face Temp. | W/m K | 0.25 max. | 0.17 |
| At 800 C Hot Face Temp. | 0.30 max. | 0.24 | |
| At 1000 C Hot Face Temp. | 0.35 max. | 0.26 | |
| At 1200 C Hot Face Temp. | 0.40 max. | 0.30 | |
| Chemical Analysis | |||
| Al2O3 | 35.0 min. | 37.20 | |
| SiO2 | % | – | 45.10 |
| 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
