High purity magnesia is the choice of premium natural magnesite, after a light burning, finely ground, dry high pressure into a ball, ultra-high temperature oil shaft kiln calcined. It is mainly used for the production of high-grade alkaline shaped or unshaped refractory materials, the finished product is mainly used in metallurgy, building materials, nonferrous metals, chemicals and other industries. 
 Physical and chemical index 





 % ≤ ≤ Ca0 Mg0% ≥ Si02% Ca0/Si02 volume density g/cm3 ≥ Loss on ignition% ≤ 

 97.2 0.5 1.15 2 3.30 0.3 
 97.2 0.6 1.2 3.30 0.3 
 97.0 0.7 1.2 3.30 0.3 
 97.0 0.8 1.2 3.30 0.3 
 96.0 1.2 1.6 - 3.25 0.3