High Alumina Refractory Bricks 1 With high refractoriness. 2 mechanical behavior Under high temperature. Specifications
1. AL2O3:48%-85%. 2. High refractoriness. 3. Resistant acid-base erosive good.
High alumina brick, High alumina refractory brick,refractory high alumina brick
Features and advantages:
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
Physical and chemical index:
Item | Index | ||||||
ZM-48 | ZM-55 | ZM-65 | ZM-75 | ZM-80 | ZM-85 | ||
AL2O3 % (≥) | 48 | 55 | 65 | 75 | 80 | 85 | |
Refractoriness °C (≥) | 1750 | 1770 | 1790 | 1790 | 1820 | 1850 | |
Refractoriness under load, 0.2MPa, °C (≥) | 1420 | 1450 | 1500 | 1520 | 1530 | 1550 | |
Permanent linear Change % | 1500°C ,2h | 0.1-0.4 | |||||
1450°C ,2h | 0.1-0.4 | ||||||
Apparent porosity % (≤) | 22 | 22 | 23 | 23 | 22 | 23 | |
Cold crushing strength Mpa (≥) | 35 | 40 | 45 | 50 | 55 | 60 | |
Application:
High alumina brick is mainly used for Widely used in blast furnaces, Hot Blast Stove,Steel ladle lining, Reheating furnace, Cement kiln, Tunnel kiln,boiler, coke oven, carbon furnace,glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc
High Alumina Refractory Bricks for Blast Furnace
