| Taurangi | Waeine | Raraunga |
| Al2O3 | % | ≥65 |
| Fe2O3 | % | ≤1.6 |
| rōrahi pore | % | ≤24 |
| Te kaha kōpeke | kg/cm2 | ≥ 900 |
| Rereira | ℃ | ≥1800 |
| Kiato rahi | kg/m3 | ≥1386 |
| Te taumahatanga motuhake | kg/m3 | ≥2350 |
| Refractoriness ℃ i raro i te kawenga o te 2kg/cm2 | ℃ | ≥1500 |
| LOI | % | ≤0.1 |