Zirconia Corundum Brick
Zirconia Corundum Brick Introduction
zircon corundum brick is made of a-Al2O3, ZrO2 and zirconium corundum clinker as materials , it is produced by mixing, molding, drying and sintering at high temperature in shuttle kiln.
Zircon corundum brick are the most widely used materials both in glass contact and superstructure of glass melting furnaces.The products have passed the ISO international certified, are made of high pure material,
fired at high temperature by advanced technology, with the advantages of high strength, high compression resistance, good thermal shock resistance, good performance in high temperature, good thermal
conductivity, good erosion resistance and so on. Widely be used for linings of furnace in industries.
Zirconia Corundum Brick Product Parameters
| The parameter of Zirconia corundum brick | |||
| Item | AZS-33 | AZS-36 | AZS-41 |
| Al2O3% | standard | standard | standard |
| ZrO2% | ≥33 | ≥36 | ≥41 |
| SiO2% | ≤16 | ≤14 | ≤13 |
| Fe2O3+TiO2% | ≤0.3 | ≤0.3 | ≤0.3 |
| Bulk density,g/cm3 | 3.5-3.6 | 3.75 | 3.9 |
| Cold Crushing strength MPa | 350 | 350 | 350 |
| Thermal expansioncoefficient(1000℃) | 0.80 | 0.80 | 0.80 |
| Exudation temperature of glass phase°C | 1400 | 1400 | 1400 |
| Baddeleyite | 32 | 35 | 40 |
| Glass phase | 21 | 18 | 17 |
| α-corundum | 47 | 47 | 43 |
Zirconia Corundum Bricks Features
1. Raw material is corundum and baddeleyite eutecticum, high compression strength
2.Top high-temperature capablility.
3.Excellent thermal stability.
4.Low thermal conductivity
5.Powerful penetrating-proof capability.
6.Good erosion-resistance.
7.Strong resistant erosion stability to the glass liquid.
Zirconia Corundum Brick Manufacturing Process
Made of the zirconite (Industry zirconia ) and industry alumina as the mainly mixed raw material, melting in the electric furnace, casting, annealing, machining, then finished.
