White Fused Alumina

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White Fused Alumina
Posting date : Dec 29, 2013
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28-
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Products Description White fused alumina, with Al2O3 more than 98%, is one of the most popular alumina abrasives. White fused alumina is made from excellent Bayer-processed industrial alumina by fusing in an electric arc furnace at high temperature of 2050degree centigradeunder carefully controlled conditions. It is white in color, a dense mineral and has predominantly large crystals of Alpha Alumina. As a kind of alumina grinding media, it is widely used in polishing, lapping and blasting. Application: 1. White fused alumina powder is used for making abrasive tools 2. White fused alumina grit also could be used as refractory materials 3. White fused alumina could be used as grinding, lapping, polishing and blasting media Physical Index of White Fused Alumina: Color White Basic Mineral alpha-Al2O3 True Density 3.96g/cm3 Bulk Density 1.75-1.95g/cm3 Microhardness HV2200-2300 Mohs Hardness 9.0 Melting Point 2250degree centigrade Chemical Composition of White Fused Alumina: Typical Data: Al2O3 99.65% Na2O 0.25% Fe2O3 0.04% SiO2 0.03% Abrasives Grade: Grit Size Al2O3 Na2O F12-220 >99.5% <0.35% F230-400 >99.2% <0.4% F500-1200 >99.0% <0.5% Refractory Grade: Grit Size Al2O3 Na2O 0-1mm >99.2% <0.4% 1-3mm >99.2% <0.4% 3-5mm >99.2% <0.4% 200mesh >99.0% <0.5% 325mesh >99.0% <0.5% Size Available: Abrasives: F16-F220, F230-F1200, JIS240-JIS3000 Refractory: 0-1mm, 1-3mm, 3-5mm, 200mesh, 325mesh Other special specifications could be supplied as required.

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