Fused magnesite is made from selected super grade A natural magnesite or high pure light burned magnesite particles in an arc furnace.The product has high purity, large crystal grains, dense structure, strong slag resistance material, good thermal shock stability, it is an excellent high temperature electrical insulation material, and also used as the main raw materials in the production of high-grade magnesia brick, magnesia carbon brick and amorphous refractory material.