|Name||Light Weight High Alumina Brick|
|Cold Crushing Strength (Mpa)≥||1.9||2.9||4.0|
|Permanent Linear Change 1300℃*12h(%)≤||0.5||0.5||0.5|
|Thermal ConductivityAverage Temperature 350±25℃ W/( m·K)||≤0.250||≤0.320||≤0.450|
|Refractoriness Under Load 0.1Mpa (℃) ≥||1300||1350||1380|
|Maximum Service Temperature (℃)||1300||1350||1380|
High alumina insulation bricks are popularly used for the masonry of industrial kilns inner linings, such as blast furnaces, hot blast furnaces, electric furnace top, reverberator, rotary cement kiln and so on. Besides, high alumina bricks are also widely used as regenerative checker bricks, stopper of continuous casting system, nozzle bricks, etc.