High iron sand

Synthetic magnesia, high-iron and high-calcium sand, magnesia-aluminum spinel sand, magnesia dolomite sand. All kinds of synthetic spinel sand are made of high-quality magnesite, dolomite raw materials, iron powder bauxite, industrial alumina powder and other additives into balls and then fired at high temperature. The product uses high-purity raw materials and is formed by high pressure. It is calcined at high temperature and is characterized by high density, high strength, and high touch resistance. It is an ideal raw material for the production of electric furnace bottom dry punching materials and hot repair materials.