Caustic Calcined Magnesia(CCM) is made from raw magnesite through calcination in reverberatory furnace or gas suspension calciner or fluid bed furnaces. This product is featured with even calcination, stable quality, high purity, and good activity, thus is widely used as a mineral additive for animal feed production, in chemistry for fertilizers and in environmental field for elimination of acid rains impacts. Physical and Chemical Specifications Items MgO%> SiO2%< CaO%