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Magnesia alumina spinel bricks for cement kiln
MgO (%): 76~90; Al₂O₃ (%): 8~22; CaO (%)<2.0; SiO₂ (%)<1.2; Fe₂O₃ (%)<0.9Compressive Strength (N/mm²): 55-100Thermal shock resistance 1000℃ /air (Times)>30
Magnesia alumina spinel bricks are industry-specialized products for working linings of high-temperature zone of large and medium sized cement rotary kiln.