RS HIGH ALUMINA BRICKS
High Alumina Bricks
Refractory Shapes offers through its franchisee operations, firelay and high alumina bricks ranging from 40% alumina to 85% alumina.
According to standard specifications of clients.
| BRANDS | RS - 40 | RS - 45 | RS - 50 | RS - 50 (S) | RS - 60 | RS - 60 (S) |
| Chemical Analysis | ||||||
| Al2O3% Min. | 40 | 45 | 50 | 50 | 60 | 60 |
| Fe2O3% Max. | 3 | 3.5 | 3.5 | 2.0 | 3.5 | 2.0 |
| Physical Properties | ||||||
| Service Temp. ˚C | 1400 | 1400 | 1400 | 1450 | 1450 | 1500 |
| Bulk Density gms/cc | 2.10 | 2.2 | 2.2 | 2.3 | 2.35 | 2.35 |
| CCS Kgs/cm2 | 350 | 450 | 450 | 450 | 500 | 450 |
| Apparent Porosity (%) | 22 | 22 | 22 | 21 | 22 | 22 |
| Thermal Properties | ||||||
| PCE (Orton) / ˚C | 32/1717 | 32/1717 | 33/1743 | 33/1743 | 36/1804 | 36/1804 |
| RUL, Ta, ˚C | 1420 | 1420 | 1420 | 1450 | 1450 | 1500 |
| Permanent Linear Change, (%) at 1400 ˚C | + 0.80 | + 1. 0 | + 1.0 | + 0.80 | + 0.60 | + 0.10 |
| BRANDS | RS - 70 | RS - 70 (S) | RS - 80 | RS - 85 | RS - 85 (P) |
| Chemical Analysis | |||||
| Al2O3% Min. | 70 | 70 | 80 | 85 | 85 |
| Fe2O3% Max. | 3.5 | 3.0 | 1.4 | 1.5 | 1.7 |
| Physical Properties | |||||
| Service Temp. ˚C | 1450 | 1450 | 1650 | 1650 | 1650 |
| Bulk Density gms/cc | 2.6 | 2.6 | 2.80 | 2.85 | 2.87 |
| CCS Kgs/cm2 | 600 | 600 | 800 | 800 | 1015 |
| Apparent Porosity (%) | 23 | 23 | 22 | 22 | 20 |
| Thermal Properties | |||||
| PCE (Orton) / ˚C | 36/1804 | 37/1820 | 37/1820 | 38/1835 | 38/1835 |
| RUL, Ta, ˚C | 1450 | 1450 | 1550 | 1550 | 1550 |
| Permanent Linear Change, (%) at 1400 ˚C | + 1.0 | + 0. 8 | + 0.8 | + 0.8 | + 0.8 |
Size Tolerance: + 1% or + 1.5mm whichever is greater.
* Data represent typical average properties and do not constitute a specification.
