Refractory Raw Materials

Caustic Calcined Magnesite

Caustic Calcined Magnesite (CCM) is a highly reactive form of magnesium oxide produced by calcining or burning crude magnesite at relatively low temperatures (>1000 °C). Applications for caustic calcined magnesia include water treatment and in production of feed stock, fertilizers, and some cosmetics.
Items 85   85  90  90 92  94 
MgO (%) 85 85 90  90 92 94
SiO₂(%)   8 8 4.5 4.5  4  2
CaO (%) 2  2 2 2 2 1.5
Fe₂O₃(%) 0.8 0.5 0.7 0.5 0.7 0.6
Al₂O₃(%) 1 1 1 1 1 1
L.O.I.(%) 6 6  5 5 4  3
Size 200mesh