Magnesia alumina spinel bricks
MgO(%):76～90; Al₂O₃(%):8～22; CaO(%)<1.5; SiO₂(%)<0.6; Fe₂O₃(%)<0.8Thermal Resistance(℃)>1700Thermal shock resistance (1000℃/ air）>30 Times
Application:
Magnesia alumina spinel bricks are commonly used for cement rotary kiln, regenerator of glass furnace as checker bricks, metal mixer and the zone where it subjects to wide temperature variation of refractory tunnel kiln.
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