CUMILAG 29
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 Properties | UNIT | Limit Value | Typical Value |
|---|---|---|---|
| Maximum Hot Face Temperature | °C | 1550 | 1550 |
| Bulk Density | gm/cc | 1.00 max. | 1.05 |
| Cold Crushing Strength | Kg/cm2 | 35 min. | 40 |
| Reheat Change (For 24 hrs.) | % | –0.4max.at1450°C | -0.2at1450°C |
| Thermal Conductivity | |||
| At 400 C Hot Face Temp. | 0.40 max. | 0.31 | |
| At 600 C Hot Face Temp. | W/m K | 0.40 max. | 0.33 |
| At 800 C Hot Face Temp. | 0.45 max. | 0.37 | |
| At 1000 C Hot Face Temp. | 0.55 max. | 0.42 | |
| At 1200 C Hot Face Temp. | 0.60 max. | 0.46 | |
| Chemical Analysis | |||
| Al2O3 | 55.0 min. | 57.51 | |
| SiO2 | % | 40.0 max. | 38.42 |
| Fe2O3 | 1.0 max. | 0.72 | |
| Recommended Laying Mortars | CUMIBOND LK FX |
