Brown Fused Aluminum Oxide with mesh 120
Brown fused alumina is produced by the smelting of Calcined Bauxite in an electric arc furnace at temperatures greater than 2000°C. Our BFA is made into different shapes and grit sizes ranging from macro to micro grits and powders. It is a tough, hard material with high strength, excellent wear and corrosion resistance and good thermal conductivity.
Brown fused aluminum oxide are available in standard grit and powder sizes and they can also be made to individual specifications. Please see below for information about some of our fused aluminum oxide materials.
| Application | Type | Size | Chemical composition(%) | |||
| Al2O3 | Fe2O3 | SiO2 | TiO2 | |||
| refractory | Sand | 0-1mm | 95 Min | 0.3 Max | 1.5 Max | 3.0 Max |
| 1-3mm | ||||||
| 3-5mm | ||||||
| 5-8mm | ||||||
| Fine powder | 100mesh | 94.5 Min | 0.5 Max | 1.5 Max | 3.0 Max | |
| 200 mesh | ||||||
| 325 mesh | ||||||
| Hardness | 9.0 mohs | |||||
| Working Temp | 1900℃ | |||||
| Melting Point | 2200℃ | |||||
| Application | Size | Chemical composition(%) | ||||
| Al2O3 | Fe2O3 | SiO2 | TiO2 | |||
| Abrasives | 12#-54# | ≥95 | ≤0.5 | ≤1.5 | ≤3.0 | |
| 54#-120# | ≥94 | |||||
| 150#-240# | ≥93 | |||||
| 240#-400# | ≥94 | ≤2.0 | ≤1.5 | ≤3.0 | ||
| 600#-1000# | ≥93.5 | |||||
| 1000#-1500# | ≥93 | ≤2.0 | ≤1.5 | ≤3.0 | ||
♦Application（Alumina powder (Al2O3, CAS 1344-28-1) Brown Sand）
1.Abrasive: Produce ceramic grind wheel, resinoid grinding wheel, Grinding stone, Grinding block, sand paper, sand cloth, sand belt, polish wax, abrasive paste, coating etc..
2.Refractory material: Mainly used for abrasion and high temperature resistant, inoxidizable aggregate and filling of shaped and monolithic refractory in steel metallurgy, various industrial stoves, electric furnace etc..
3.Sandblasting abrasive: Mainly used for various material workpieces to decontaminate, derusting, prevent corrosion, remove oxide skin etc..
4.Abrasion resistance ground: Mainly used for non-slip of airport and road, chemical factory board paving.
5.Precision casting: Investment casting technics of stainless steel and aluminium casting in coating.
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