IPDB › China Industry › Tools & Hardware › Abrasive & Grinding
High-Quality Brown Fused Alumina for Superior Grinding and Polishing1
Abrasive Grinding, Abrasive Grains, Brown Fuse, Brown Fused Alumina
Jinan Fuyuan Grinding Materials Co., Ltd
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Product Description Product Description Brown fused alumina is widely used as a raw material in refractories, ceramics shapes, grinding wheels, sandpaper, blasting media, metal preparation, laminates, coatings, lapping, polishing, grinding and hundreds of other applications.It is a product manufactured by gradual melting reduction of calcined bauxite in an electric arc furnace at high temperature (approximately 2000 degrees Celsius). Its chemical composition consists mainly of Al2O3 (94,5-97%) and vestigal amounts of TiO2, SiO2, Fe2O3, CaO and MgO.Brown Aluminum Oxide (BFA) is produced by the fusion of high-quality bauxite in an electric arc furnace at high temperatures. Our Brown Aluminum Oxide has high compression strength, high toughness, excellent self-sharpening, low coefficient of thermal expansion, and excellent hydrophilia and cleanliness.99.5% ultra pure grade of blasting mediaBrown Aluminum Oxide (BFA) is produced by the fusion of high-quality bauxite in an electric arc furnace at high temperatures. Our Brown Aluminum Oxide has high compression strength, high toughness, excellent self-sharpening, low coefficient of thermal expansion, and excellent hydrophilia and cleanliness.Brown Fused Alumina is a tough, sharp abrasives which is highly suitable for grinding metals of high tensile strength. Its thermal properties make it an excellent material for use in the manufacture of refractory products. This material is also used in other applications like blasting and surface hardening.Brown Fused Alumina is produced by the smelting of Calcined Bauxite in an electric arc furnace at temperatures greater than 2000C. A slow solidification process follows the fusion, to yield blocky crystals. Strict control over Titania levels during the fusion process ensures optimum toughness of the grains. Detailed PhotosProduct ParametersQualityHigh Hardness.High Compression Strength.High Degree of Refractoriness.Superior Electrical Insulating Properties.Dielectric Properties.High Melting Point.SpecsSpecific gravity (density) equals 3,90+/-0,05 g/cm3. Bulk density depending on size equals 1,52-1,87 g/cm3. It has relatively high thermal conductivity and low thermal expansion.Activation of Alumina:A method of making activated alumina including the steps of dissolving a double salt of aluminum in a solution of pure water at 85°C., recrystalizing the double salt at a pressure about 250 psi and temperature ranging from 200°C. to 250°C., precipitating out the purified basic double salt, drying Installation Instructions One of the primary uses of brown fused aluminium is in abrasive applications. It is commonly used as a blasting media for surface preparation, cleaning, and finishing of metals and other surfaces. Its high hardness and toughness make it ideal for use in grinding wheels, cutting tools, and abrasive papers and cloths.
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