FM98A FM97A FM96A FM98B FM97B FM96B MGO%(MIN) 97.5 96.5 95.5 97.5 96.5 95.5 AL2O3%(MAX) 0.2 0.2 0.3 0.20.2 0.2 SIO2%(MAX) 0.35 0.6 0.8 0.7 0.8 1.0 CAO%(MAX) 0.7 1.2 1.61.5 1.4 2.0 G/CM3(MIN) 3.503.50 3.45 3.50 3.50 3.45 LOI%(MAX) 0.2 0.20.2 0.2 0.2 0.2