Brown Corundum

, also known as carborundum, is a brown artificial corundum made of bauxite, carbon materials and iron chips by melting and reducing in electric arc furnace, so it is named for this. The main chemical composition of brown corundum is AL2O3, its content is 95.00%-97.00%, and contains a small amount of Fe, Si, Ti and so on. Brown corundum is the most basic abrasive, because of its good grinding performance, wide range of application, cheap price, is widely used.

Brown corundum is made from high quality abrasive grade bauxite with auxiliary materials by refining at high temperature above 2250 degree in electric arc furnace. It has good self-sharpness and strong grinding force. The main uses of brown corundum are: can be made of ceramic grinding wheel, resin grinding wheel, grinding head, grinding block, sandpaper, sand belt, emery cloth and polishing wax, abrasive agent, grinding paste, paint and so on.

The main component of brown corundum is aluminum oxide (Al2O3), so it has a very high hardness, second only to diamond.

Brown corundum is bauxite, coke (anthracite) as the main raw materials, in the arc furnace by high temperature smelting, with it made of abrasive tools, suitable for grinding high tensile metal, such as a variety of general steel, malleable cast iron, hard bronze, etc., can also manufacture high-grade refractory materials.

Brown corundum grinding wheel is the largest amount of abrasive tools, the most widely used one, the use of high-speed rotation, can be used for metal or non-metal workpiece, the outer circle, the inner circle, the plane and various shapes of the rough grinding, semi-fine grinding and fine grinding and grooving and cutting.

is divided into: segment sand, fine powder, granular sand and micro-powder, segment sand conventional production particle size: 0-1mm1-3mm3-5mm5-8mm.

1, the grinding force of brown corundum is slightly lower than that of white corundum, but its willfulness is strong, with the characteristics of shell section mouth, and its advantages are high finish of the grinding parts, less sand marks and shallow. Brown corundum various mesh size uniform, uniform particle shape, edge called Angle crystal, with sharp edges, high grinding force, for stone industry grinding marble and other soft materials.

2. White corundum powder has good chemical stability and good insulation. It can make solid structure and coated abrasive tools, wet or dry spray sand, suitable for crystal, electronics industry, super fine grinding and polishing and production of high-grade refractory materials. It is suitable for processing hardened steel, alloy steel, high speed steel, high carbon steel and other hard hardness and high tensile strength materials.

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