Type | : | 80 % Corundum based Alumina Brick |
Method of Manufacture | : | Machine Pressed | |
Nature of Bond | : | Ceramic | |
Application area | : | Discharge Zone & Grate Cooler in Cement Rotary Kiln. |
| | |
CHEMICAL COMPOSITION | | SPECIFICATION | TYPICAL VALUES |
Al2O3 | % | Min. 78.0 | 80.5 |
Fe2O3 | % | 2.00 | 1.90 |
| | | |
PHYSICAL PROPERTIES | | | |
Apparent Porosity | % | Max. 18.0 | 17.5 |
Bulk Density | g/cc | Avg. 2.75 | 2.80 |
Cold Crushing Strength | kg/cm2 | Min. 700 | 800 |
| | | |
THERMAL PROPERTIES | | | |
P.C.E (Refractoriness) | orton / °C | Min. 37 / (1820) | 38 / (1835) |
R.U.L. ta | °C | Min. 1520 | 1530 |
P.L.C at 1500 °C /2 hrs. | % | Max. + 1.5 | +0.90 |
Thermal Expansion at 1000OC | % | | 0.60 |
Thermal Conductivity | W/mK | | 2.25 |
At 1000OC Hot Face Temperature | | | |
Thermal Shock Resistance by IS small prism Air Quenching | Cycles | + 100 | + 100 |