Magnesia Brick are made from Dead Burn Magnesite (DBM) that makes bricks in good refractoriness, corrosion resistance. Magnesia bricks are widely used in glass tank, lime kiln, non ferrous metallurgical furnace, EAF Steel making Process. Magnesia Brick with MgO content 95% or higher takes secondary-burning Dead Burn Magnesia or electrofused Magnesia, which they are fired in high temperature. Magnesia brick with MgO content 95% or higher is widely used in various high temperature kilns or furnaces.
Several grades of magnesia brick refractories are as below:
| 1. | Magnesia 98 (MD-98). Refractoriness point: 1700 oC Density: 3000 kg/m3 Normal size: 230 x 114 x 65mm |
| 2. | Magnesia 97 (MD-97). Refractoriness point: 1700 oC Density: 3000 kg/m3 Normal size: 230 x 114 x 65mm |
| 3. | Magnesia 95 (MD-95). Refractoriness point: 1650 oC Density: 2950 kg/m3 Normal size: 230 x 114 x 65mm |
| 4. | Magnesia 92 (MD-92). Refractoriness point: 1550 oC Density: 2900 kg/m3 Normal size: 230 x 114 x 65mm |
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