Brown Alumina Corundum Powder

BFA Brown Fused Alumina powder in refractory Brown corundum micro powder is produced by a reduction fusion of high quality bauxite in electric arc furnaces. It is both a hard and tough material with high strength, making it an excellent abrasive grain for applications.Its thermal properties make it an excellent raw material for abrasive and refractory applications. Advantages Of Brown Corundum Powder: 1. Large crystal, high strength, good toughness, dense texture, high bulk density. 2. Stable performance between batches. 3. The higher grinding efficiency and polishing brightness, the grinding efficiency is much higher than the soft abrasives such as silica. 4. Good particle appearance, high surface finish of the polished object. Product Parameter Grains Specifications And Composition JIS 240#,280#,320#,360#,400#,500#,600#,700#,800#,1000#,1200#,1500#,2000#,2500#,3000#,3500#,4000#,6000#,8000# European standard F240,F280,F320,F360,F400,F500,F600,F800,F1000,F1200,F1500 National standard W63,W50,W40,W28,W20,W14,W10,W7,W5,W3.5 Applications High Quality Brown Fused Alumina Powder for Precision Casting Bfa Brown Fused Alumina Powder in Refractory 1.Grinding and polishing of stainless steel, optical glass, bamboo or other materials. 2.For polishing various spare parts: bicycles, sewing-machine, hard metal tools, medical apparatus, timepieces, glass products and stone grinding. 3.For making abrasive tools: fiber-reinforced cutting wheels, grinding wheels, sand cloth, paper and paste. High Quality Brown Fused Alumina Powder for Precision Casting Bfa Brown Fused Alumina Powder in Refractory

White Fused Alumina (white corundum) WFA Abrasive blasting media is made of 99% aluminum oxide powder as raw material, which is refined and crystallized by electric melting (thus white corundum is also called fused alumina and white fused alumina). The white corundum sand produced by our factory has high purity, low impurities, low sodium content, uniform particles and high whiteness. Product Feature 1. The Al2O3 purity is high(99%min). So the hardness & grinding ability is high with good grinding efficiency. 2. High wear-resistance. Even in high-temperature circumstances, the strength is still excellent. 3. The white fused aluminum oxide powder is suspension treated by water. So it is of flowability and easy to scatter. 4. Low oil absorption especially for water-based paint. 5. Neutral property with PH value around 7-8. 6. High whiteness. It doesn't affect the color of paints or coatings adding Al2O3 powder. 7. Resistant to most corrosive alkali and acid. It doesn't dissolve in water. 8. Resistant to high temperature up to 1900 C. 9. Good particle size consistency without big size grains. So it prevents scratch on the grinding substrate.

ISO Certificated Brown Fused Alumina Factory Supply Corundum Powder Price Brown Fused Alumina is fused in the electric-arc furnace under the high temperature of above 2250�°C with high quality bauxite as raw material and matched by the carbon material and scrap iron .Then, it was crushed by autogenous mill, removed the iron through magnetic separation, screened to variety granularity. we product 4 grades brown fused alumina, with different al2o3 content, grade A: Al2O3 92-96%,Fe2O3 0.2-1.0%,SiO2 1.0-3.0%,TiO2 1.5-3.8%. grade B: Al2O3 85-90%,Fe2O3 6-10%,SiO2 1.5-4%,TiO2 2-4%. grade C: Al2O3 70-80%,Fe2O3 8-15%,SiO2 2-5%,TiO2 3-5%. grade D: Al2O3 55-65%,Fe2O3 12-20%,SiO2 15-25%,TiO2 4-6%. Advantages: 1.High hardness and high purity. 2.Corrosion resistance. 3.Grinding performance is good. 4.The applicable scope is wide. 5.The price is cheap. 6. Good wear-resisting performance,resist to shock

White Fused Alumina (white corundum) WFA Abrasive blasting media is made of 99% aluminum oxide powder as raw material, which is refined and crystallized by electric melting (thus white corundum is also called fused alumina and white fused alumina). The white corundum sand produced by our factory has high purity, low impurities, low sodium content, uniform particles and high whiteness.

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Black fused alumina, also known as black aluminum oxide, is a type of abrasive material that is commonly used in various industrial applications. It is made from the high-quality bauxite ore by fusing it in an electric arc furnace at high temperatures. During this process, the aluminum oxide content in the bauxite is reduced, resulting in a material that is predominantly composed of aluminum oxide and iron oxide. *Color and Appearance: As the name suggests, black fused alumina is black in color. It has a matte appearance and a high hardness. *Hardness: Black fused alumina is known for its high hardness, making it suitable for abrasive applications. It is often used for cutting, grinding, and polishing metals, ceramics, and other materials. *Abrasive Properties: It is an abrasive material with excellent cutting and grinding properties. It is used in applications such as sandblasting, grinding wheels, abrasive belts, and abrasive powders. *Strength and Durability: It has good strength and durability, making it a reliable choice for applications where wear resistance is essential. *Chemical Composition: Black fused alumina typically contains aluminum oxide (Al2O3) as the primary component, along with iron oxide (Fe2O3) and small amounts of other impurities. Applications: Grinding and Polishing: Surface Preparation: Cutting: Refractory Industry: Abrasive Blasting: Lapping and Polishing: Cutting Tools: Refractory Castables: Abrasive Powders and Compounds: Tumbling and Deburring:

Brown fused alumina corundum is produced by a reduction fusion of high quality bauxites in electric arc furnaces. It is both a hard and tough material with high strength, making it an excellent abrasive grain for applications such as grinding wheels, sandpaper, blasting media, metal preparation, lapping, polishing, and grinding. Its thermal properties make it an excellent raw material for refractory applications.

BFA Brown corundum oxide Brown Fused Alumina Brown aluminum oxide crystals is made of bauxite/anthracite coal, and smelted in electric-arc furnace of high temperature more than 2000degrees.Abrasives tools made by brown fused alumina are suitable for metal with high tensile (like:steel, malleable iron, bronze etc).and suitable for grinding, polishing, blasting, precision casting etc.Brown aluminum oxide crystal is also used for refractory material. Brown aluminum oxide crystals with characteristics like: high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion resistance, high temperature, high strength. Chemical analysis: Al2O3(min) 92% SiO2(max) 2% Fe2O3(max) 2% TiO2(max) 4% Physical characteristics: color Brown Mohs Hardness 9.0 Melting point 2250â?? Maximum service temperature 1850â?? Bulk density 1.53-1.99g/cm3 Specific gravity 3.6-3.9g/cm3 Purpose: 1.grinding for konescope/glass/monocryst alline silicon/lens/jadeware 2.abrasion-proof material for expressway/airstrip/dock/ parking lot/stadium 3.bonded abrasives and coated abrasives 4.surface preparation and finishing 5.Thermal Spraying(Plasma Spraying) 6.Super Refractories, Ceramics and Tiles 7.Lapping & Micro-blasting applications Other models: Grain 0-1mm 1-3mm 3-5mm 5-8mm Fine powder 0-100mesh 0-200mesh 0-320mesh Grit 8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# Micro powder (FEPA)F230 F240 F280 F320 F360 F400 F500 F600 F800 (JIS) #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000

Brown corundum is made of high-quality bauxite as the main raw material. It is smelted into blocks in high temperature furnaces above 2000 degrees, and after crushing and magnetic separation, the particle size models with different compositions are screened. The content of AL2O3 in brown corundum is above 95%, and the hardness is relatively high.Brown fused alumina is used in the electronics industry to increase the adhesion of the surface of the product.