zircon firebrick refers to the refractory brick that contains raw materials of zircon or ZrO2 more than 90%. Besides, there are other refractory bricks that contain zircon, such as the Zr-Al brick, zirconia firebrick can improve the thermal shock resistance; Zr-Cr-Al brick, which improves the refractoriness and anti-corrosion resistance; and Zr-SiC brick that improves slag and wear resistance. zirconia brick various properties of high mechanical strength, good thermal shock resistance, high refractoriness under load, strong erosion resistance and high density.
Properties of Zircon Brick
- Great creep resistance,
- High density,
- High refractoriness under load,
- Excellent thermal shock resistance,
- Good corrosion resistance,
- High mechanical strength.
Zircon Brick Manufacturing Process
Zircon fire block is made from stable zircon sand is a kind of great refractory brick with the zircon content over 64 %. zircon refractory block is acid refractory with the advantages of high mechanical strength, high refractoriness under load, excellent thermal shock stability, good creep resistance and good corrosion resistance to glass liquid.
Rongsheng Refractory Zircon Brick Specifications
| Item | Dense zircon brick | Zircon brick | zirconium -corundumbrick | Zirconium -mullite brick | Semi-zircon brick |
| ZrO2 % | ≥65 | ≥60 | ≥30 | ≥18 | 15~20 |
| Al2O3 % | - | - | ≥45 | ≥55 | 50~60 |
| SiO2 % | - | ≤38 | ≤25 | ≤25 | ≤20 |
| Fe2O3 % | ≤0.3 | ≤0.5 | ≤0.5 | 1.2 | 1.2 |
| Apparent porosity % | ≤18 | ≤22 | ≤20 | ≤17 | ≤20 |
| Bulk density g/cm3 | ≥3.7 | ≥3.5 | ≥3.2 | ≥2.7 | ≥2.7 |
| Cold Compressive Strength MPa | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 |
| 0.2MPaRefractoriness under load°C | ≥1650 | ≥1620 | ≥1650 | ≥1650 | ≥1550 |
Application of Zircon Brick
Zircon bricks can be widely used in glass furnace, Ladle, pure steel furnace, non-ferrous metal smelting furnace, and also zirconia fire bricks are suitable for the glass kiln, casting nozzle of the nonferrous smelting furnace, and the ladle lining, etc.
Zircon Brick Manufacturer from RS Refractory Factory
Rongsheng refractory factory has been insisting on produce high quality zircnia fire bricks for many years. RS company has enough production experience and advanced manufacturing technology. also has professional engineer to provide you with professional advice on your actual application. If you have any question about zirconia block, please contact us for more professional information, our sales will reply you at first time.
