以纯净MgO为主要化学成分 ，矿物成分为方镁石等轴晶系经超高温熔融的碱性耐火材料，产品化学成分稳定， 方镁石晶体的直接结合程度高晶粒大发育完整、纯度好、密度高，广泛应用于各种高级碱性镁制品定型不定型产品 的加工制造及国防工业科研开发等。 　　 It`s made from magnesite ore , periclasite , by extra-high fusion ,chemical stability,large cry stal of pericalsite,develop completely,high purity and den-sity,it can be applied to produce high-cl ass alkaline refractory material.