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 |
