| Indeks | Unit | data |
| Al2O3 | % | ≥65 |
| Fe2O3 | % | ≤1.6 |
| Volume pori | % | ≤24 |
| Kekuwatan kompresif | kg/cm2 | ≥ 900 |
| Refractoriness | ℃ | ≥1800 |
| Kapadhetan akeh | kg/m3 | ≥1386 |
| Gravitasi spesifik | kg/m3 | ≥2350 |
| Refractoriness ℃ ing beban saka 2kg/cm2 | ℃ | ≥1500 |
| LOI | % | ≤0.1 |