HCR
Huachen Refractory
β Corundum Brick
Other name: cast alumina product
Model Number: RA-H
Certification: ISO190001
Minimum Order Quantity: 6/negotiable
White βcorundum brick
White βcorundum brick Introduction
Cast alumina product is produced by melting and casting hgih alumian in electric furnace at 2000 ℃. βcorundum brick is made ofnearly 100% β-alumina, has strong spalling resistance.
White βcorundum brick Features
1.Strong spalling resistance
2.No pullute glass liquid
3.Well resistance to alkaline steam
White βcorundum brick Physical and Chemical Index
Chemical composition(%) | SiO2 | Al2O3 | Na2O | Fe2O3 | TiO2 |
RA-H | <0.5 | >92 | 5.5-7.5 | tiny | tiny |
Physical Properties | |||||
True Density(g/cm3) | Cold Crush Strength (Mpa) | Thermal Expansion(%) 1000℃ | Thermal Expansion(%) 1500℃ | Porosity(%) | Bulk Density(g/cm3) |
3.26 | >30 | 0.65 | 1.01 | <8 | 2.6-2.9 |
Crystalline Phase (%) | |||||
Glass Phase | αcorundum | βcorundum | |||
<1 | - | >97.5 | |||
White βcorundum brick Application
Widely used in Blast furnaces, Hot Blast Stove, Steel ladle lining, Reheating furnace, Cement kiln, Tunnel kiln, Boiler, Coke oven, Waste incinerators ,Carbon furnace, Glass kiln , Steel smelting furnace and various kiln lining and thermo technical equipment, etc.
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