耐火性(程度)
1770°< Refractoriness< 2000°
Cold Crushing Strength, MPa ≥
54
Refractoriness Under Load, ℃ ≥
1520
Linear Change on Rehearting
+0.1-0.4
Cold cushing strength (mpa)
≥45
Thermal expansion at 1000°C(%)
≤0.3
refractoriness under load 0.2mpa(°C)
>1450