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brown fused alumina for grinding and sandblasting
Brown corundum is made of high quality bauxite, iron scrap and anthracite by high temperature smelting in electric arc. After grinding and shaping by self-mill, magnetic separation of iron is carried out and sifted into a variety of particle sizes. The main chemical composition is AL2O3, and its content is 94.5%--97%.Its texture is dense, high hardness, brown, toughness, particle form ball, suitable for the manufacture of ceramic, resin high consolidation grinding tools and grinding, polishing, sandblasting, precision casting, refractory materials.In addition, brown corundum has the characteristics of high purity, dense texture, large bulk density, strong self-sharpening, good toughness, and extremely low magnetic content.The sintered abrasive tools are of deep blue color, free from reticular cracks and rust spots after firing, and are suitable for manufacturing ceramic, resin and high consolidation abrasive tools as well as for grinding and polishing. Characteristics of washed brown corundum: 1. Small dust; Wash corundum grinding surface spray processing, because of its specific gravity is higher, so less in the injection process of dust, it ensures the operator's health and safety, and improve the operator's visibility, compared with slag, slag formation in the process of high temperature is even in cold water is water cooling, so was the glass phase structure of the form, has the fragility), because slag is brittle, in the process of jet mill, easy to be smashed form small particles, the relatively small proportion of slag, the small slag particles suspended in the air and cause pollution to the environment.Washed brown corundum is the jeans washing plant, water cutting industry quality sand.The products of our factory have good self-sharpening, sharp edges and corners, forming new edges and edges in continuous grinding, uniform shell fracture hardness, no scratches on grinding tools and objects, stable chemical composition, acid and alkali resistance, and irreplaceable advantages of other abrasives and synthetic abrasives. 2. High efficiency; Water brown fused alumina in a certain pressure, to a large number of rapidly with a sharp object surface edges and corners, it could be seen as a very fast way of jet mill, particle acceleration and velocity in air is inertia and the effect of particle size, the smaller the particle, accelerate the easier, therefore, the impact of the higher impact surface to produce a very high cleaning speed, under normal circumstances, the speed is faster than other conventional abrasive (m2 / hr) twice.
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