1.has passed ISO certification 2.has high refractoriness 3.good
slag-resistance 4.erosion-proof and alkali-resisting
High aluminate brick is made of high alumina bauxite with high
quality,it has the advantage of high refractoriness under load,high
refractoriness,also can resist erosion and so on.
Items DL-80 DL-75 MTD-A MTD-B STD-80 Al2O3 % >= 80 75 65 75 80
Refractoriness °C >= 1790 1790 1790 1790 1790 0.2Mpa
refractoriness under load °C >= 1550 1530 1630 1580 1560 Heating
linear change %(1500°C*2h) 0~-0.3 0~-0.4 0~-0.3 0~-0.4 0~-0.3
Apparent porosity % = 78.5 68.5 70 65 70 Thermal shock
resistance(1100°C,water cooling) Application
high aluminate brick is mainly used for building blast furnace,hot
blast stove,roof of electric furnace, reflecting furnace,liner of
rotary kiln,also widely used for checker brick of open hearth
regenerator,stopper of sunner system,nozzle bricks and so on.