- MgO Chemical composition :≥95 %;
- Apparent Porosity :≤18 %;
- Cold Crushing Strength :≥55 Mpa;
- Thermal Stability 950℃ Wind cycles:≥15;
- MgO%: 69-85
- C%: 5-18
- Bulk Density (g/cm³): 2.79-3.05
- Cold Crushing Strength (MPa): 30-50
- MgO% ≥:70/75/80 ZrO2 %≥:8/10/13;
- Apparent Porosity%≤:19;
- Bulk Density (g/cm3)≥:2.95;
- Refractoriness Under Load:≥1600 °C