... made from high quality bauxite, corundum, and fused magnesia. Alumina magnesite carbon brick is made from high quality ... bauxite, corundum, and fused magnesia. It has low thermal ... fused alumina, bauxite high clinker, spinel sand, fused magnesia, graphite flake as raw materials , phenolic resin as binder, add a variety of antioxidant compound ...