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Magnesia Alumina Carbon Brick

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Magnesia Alumina Carbon Brick

Country/Region china

Company OSYMEN limited

Categories High Alumina Refractory Brick

Update 2016-04-07 15:32:12

ICP License Issued by the Chinese Ministry

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MgO-C bricks are made from dead burnt magnesia (or electro fused magnesia), carbon material (mainly perfectly crystallized graphite) and resin binder, by proportioning and pressing. Application under high temperature of the bricks can form carbon skeleton bonding. Because MgO and C do not have mutual solution, good refractory properties of original components are kept. In addition carbon has good thermal conductivity and low thermal expansion coefficient and elastic coefficient and can prevent high temperature spalling and slag penetration effectively. Thus structural spalling does not occur. The fatal weakness of deteriorated structural spalling caused by slag penetration into magnesia refractories can be changed greatly. Carbon is not wetted by slag and has good resistance to wear. All of these properties of MgO-C bricks make then the ideal material for furnace lining, which possesses good thermal shock resistance, corrosion resistance and spalling resistance. MgO-C bricks have wide applications and can be used in key locations of thermal processing equipment such as steelmakig converter, electric are furnace, ladle, secondary steelmaking furnace and so on. Al2O3-Mgo-C bricks made from high quality calcined bauxite, electro fused corundum and electro fused magnesia possess low thermal conductivity coefficient and appropriate residual expansion and are good material for ladleslag line, ladle lower wall, bottom and free zone and bottom of converter for steel making and ladle, etc.


MgO (% min)807876767474727070
C(% min)101010141414181818
Bulk Density (g/cm3 min)2.902.852.802.902.822.772.902.822.77
Apparent Porosity(% max)456456345
Cold Crushing Strength (Mpa)403530403525403525

Product Tags:

magnesia alumina refractory bricks


magnesia carbon bricks


fire magnesia carbon brick

China Magnesia Alumina Carbon Brick

Magnesia Alumina Carbon Brick Images

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