Black corundumu00a0abrasives is high quality bauxite as the main raw material, add a little and then the reducing agent, inu00a0an arc furnace smelting, color black. So Black corundum, also known as low aluminum corundum, is in the electric arc furnace, bauxite smelting in a prepared alumina spinel and iron ore mainly gray-black crystal phase, which is characterized by oxidizing low aluminum content, and there is a certain amount of Fe2O3 (10%) exists, which has a moderate hardness, highu00a0toughness,highu00a0temperature,thermal performance characteristics of a given temperature.
Black corundumu00a0hardness, toughness greater wear sharp edges and corners, strong self-sharpening, grinding less heat,highu00a0polished workpiece cleaning, polishing its performance is much higher than other similar products at home and abroad, the aluminum content more than 82% blacku00a0corunduma hardness, toughness, hardness and softness, wear durability; its adhesion and hydrophilic, easy on the disc; grinding less congestion, less heat, the work will not burn; self-sharpening strong, ergonomics high, and machined surface free of scratches, polishing finish high; more than double the capacity of more thanu00a0brown corundumau00a0polishing, polishing finish raise more than two.
Application / Models
Its unique performance, good grinding and polishing effect of Black corundum, more and more attention and favor of the broad masses of people. Sanshui and a water-type bauxite as raw material in electric arc furnace cooling from high temperature smelting. Basic Black corundumu00a0abrasive material concentration, cutting ability, toughness, hardness and softness, wear resistance, and high efficiency. Black corundumu00a0abrasive, for stainless steel, metal plating and polishing the bottom surface before sandblasting, it is suitable for glass, wood, stone products, such as grinding and polishing and sand blasting.
Black corundumu00a0widely used tableware polishing industry, electroplating before the bottom surface polishing industry, metal surface treatment industry, glass industry, aluminum and stainless steel polish. Is manufacturing resin grinding wheel, cutting disc, emery cloth novel materials. Currently, the most widely used stainless steel tableware and fine polishing kitchenware, lighting lamps motorcycle parts, auto parts and other medium hard materials. Is manufacturing resin grinding wheel, cutting disc, novel abrasive gauze.
Gongyi Qingyun Refractories Co., Ltd., founded in 1995, is a modern corporate entity that handle in research and development, manufacturing, sales, project construction of refractories . The company is located in Gongyi City-- the historical and cultural famous city, Chinese top hundred cities, which is on the north of the Yellow River,the South of Songshan mountain, the east of Zhengzhou,the west of Luoyang , with convenient transportation and abundant supplies.
Gongyi Qingyun Refractories Co., Ltd., has been engaged in the refractory industry for more than 20 years, products are brown fused alumina, white fused alumina, black corundum, steel fibers, bauxite, metallurgical coke,etc.refractories; zirconium, chromium corundum, dense corundum, spinel, mullite, alumina ball, high alumina castable, high alumina cement, coal tar pitch, butts, Guangxi white clay, silicon metal, silicon powder, lignin, chromium, chromium oxide green , silica sol, barium sulfate, regenerative ball, bricks and other products.