Alumina Magnesia Carbon (AMC)
Alumina Magnesia Carbon (AMC) bricks are resin bonded made from corundum or bauxite, magnesia (FM or DBM) and graphite. The magnesia & carbon contents are 5-35% and about 10% respectively. AMC brick when heated, spinel (MgO – Al2O3) forms and the resulting post firing expansion closes joints and densify the bricks structure. Many reports have demonstrated the positive results of AMC bricks in torpedo and steel ladles. they are great at high resistance to molten metals, also used in pouring ladle linings of raw iron, torpedo ladles and inner-linings of casting ladles.
Advantages
- Good high temperature resistance property,
- Strong slag erosion resistance,
- Good thermal shock resistance,
- Low high-temperature creep,
- Good Thermal Stability and Conductivity
- Low residual expansion
Alumina Magnesia Carbon Bricks
| Brand | MgO (%) (Min) | Al2O3% (Min) | FC % (Min) | AP % (Max) | BD gm/cc (Min) | CCS kg/cm² (Min) | HMOR @ 1450 °C (Min) | Service Temp °C Max | Application Area |
|---|---|---|---|---|---|---|---|---|---|
| GITA AMC SUPER | 18-20 | 70 | 8 | 6 | 3 | 500 | 75 | 1700 | Bottom & impact pad of LRF |
| GITA AMC II | 15-18 | 65 | 5 | 7 | 2.95 | 450 | 55 | 1680 | Side wall of teeming ladle |
| GITA AMC III | 15 | 60 | 6 | 7 | 2.90 | 450 | 42-45 | 1650 | Side wall of LRF |
| GITA AMC IV | 15 | 56 | 6 | 8 | 2.85-2.90 | 400 | 40 | 1620 | Bottom & impact pad of teeming ladle |