Magnesite at 1800calcination, carbon dioxide completely escape,
magnesium oxide periclase formed dense block, weighing burning
magnesium (also called sintered magnesite), the dead-burned
magnesium has the very high refractoriness. Its main ingredients
for magnesium oxide, select natural super magnesite writing
flotation purification, light burned, fine grinding, high pressure
ball, ultra high temperature oil shaft kiln calcine.