Description: corundum products is the use of high purity fused corundum, mullite, chromium and other raw materials, high pressure dynamic shaping, ultra-high temperature sintering. The product has a high temperature, high strength, acid erosion, from H2, CO and other reducing gas impact, with a high temperature insulation, low dielectric constant, and other fine features. Widely used in blast furnaces, steel furnaces outside refining furnace, glass furnace; and petrochemical industry gasifier, gas furnace ethylene, ammonia decomposition furnace; cracker furnace carbon black industry, chemical industry, chemical fertilizer industry; refractory materials and ceramics industries such as high-temperature furnace. Usage: for the blast furnace, the outer steel refining furnace, glass furnace; and petrochemical industry gasifier, gas furnace ethylene, ammonia decomposition furnace; furnace carbon black industry, chemical industry, chemical fertilizer industry cracker ; refractories and ceramics industries such as high-temperature furnace.