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Product Description
Process of Production
FZM is manufactured from fusing high quality Bayer process alumina and zircon sand in electric arc furnace, During melting, the zircon and alumina react to yield a mixture of mullite and zirconia.
It is composed of large needle-like mullite crystals containing co-precipitated monoclinic ZrO2
Application :
- It is used in specialty product applications where a high resistance to environmental corrosion and a low coefficient of thermal expansion are desirable properties.
- Applications include ceramic pressure casting tubes and refractory shapes requiring resistance to molten slag and molten glass.
- Zir-mull bricks and bricks used in the Glass Industry as well as an additive in Continuous casting refractories.
Technical Specification :
| Items | Unit | Index | Typical | ||
| Chemical composition | AI2O3 | % | 41.00-46.00 | 44.68 | |
| ZrO2 | % | 35.00-39.00 | 36.31 | ||
| SiO2 | % | 1650-20.00 | 17.13 | ||
| Fe2O3 | % | 0.20 max | 0.09 | ||
| Bulk Density | G/cm3 | 3.6 min | 3.64 | ||
| Apparent Porosity | % | 3.00max | |||
| Phase | 3AI2O3.2SiO2 | % | 50-55 | ||
|
| Indined ZrSiO2 | % | 30-30 | ||
|
| Corundum | % | 5.00 max | ||
|
| Glass | % | 5.00 max | ||
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