Nile For Refractories increases its Investments and its Mineral Resources
Fire Clay Bricks 45% AI₂o₃
Fireclay Bricks have high density, good thermal shock resistance and excellent volume
stability at high temperatures.
These Fireclay Bricks - 45% Al₂O₃ can be used in a wide range of industries.
It can be applied to blast furnaces, pouring refractories, ladles, cement klins, incinerator,
tunnel kilns and others.
| Chemical Composition | Fireclay Bricks – 45% Al₂O₃ | |
| SiO₂ | 48.00 – 50.00 | % |
| Al₂O₃ | 45.00 – 47.00 | % |
| TiO₂ | 2.20 – 2.68 | % |
| Fe₂O₃ | 1.30 – 1.50 | % |
| CaO | 0.30 – 0.40 | % |
| MgO | 0.15 – 0.20 | % |
| Na₂O + K₂O | 0.30 – 0.50 | % |
| Physical and Thermo-Mechanical Proporities | Fireclay Bricks – 45% Al₂O₃ | |
|---|---|---|
| Bulk Density | 2.28 – 2.32 | g/cm³ |
| Apparent Porosity | 16 – 19 | % |
| Modulus of Rupture | 90 – 100 | kg/cm² |
| Cold Crushing Strenght | 450 – 500 | kg/cm² |
| Linear Thermal Expansion at 1000 °C | 0.55 – 0.65 | % |
| Thermal Conducity – at 400 °C – at 700 °C – at 1000 °C |
1.15 – 1.25 1.20 – 1.30 1.25 -1.35 |
W/m.K |
| Refractoriness | ≥1750 | °C |
| Refractoriness under Load Ta | >1440 | °C |
| Recommended Service Temp | 1500 | °C |
