| No. | Properties | LZ.60 |
| 1 | Refractories | 34 |
| 2 | Apparent porosity (%) | 19-21 |
| 3 | Bulk Density (gr/cm3) | 2.1-2.2 |
| 4 | Cold Crushing Strength | >300 |
| 5 | Permanent Linier Change (%) | at 1400o C
+0.3 |
| 6 | Refractoriness under load | 1400 |
| 7 | Chemical composition | |
| AL2O3 | 40-45% | |
| SiO2 | 50-55% | |
| Fe2O3 | max 1 | |
| 8 | Temperature | 1400oC |
