brown fused aluminium oxide

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brown fused aluminium oxide
Posting date : Feb 08, 2012
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27-
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Brown Fused Alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200, and made into different grain sizes through crystal, choosing, crashing, magnetic, separating, screening, washing etc. The various grit sizes may be used for all types of bonded abrasive and general industrial applications. And it also can be used as refractory material.  Physical characteristics: Color: Brown Crystal Form: Alpha-Alumina True Density: 3.90g/cm3 min Bulk Density: 1.50-2.20g/cm3 Hardness: Mohs 9.0 Microhardness: 1800-2000kg/mm2 Melting Point: 2000°C Max. Working temperature: 1900°C Size Available: F12-F1200,P12-P2500 Specification: Al2O3 95.0%min Size Available: Abrasives F12-F1200,P12-P2500 Refractory 0-1mm,1-3mm,3-5mm,5-8mm,200mesh,325mesh Other special specification could be supplied as required. Applications: 1.Coated and bonded abrasive tools 2.Lapping and polishing processes 3.Sandblasting 4.Producing mold of precision casting 5.Refractory materials including low cement castables,plastics,bricks etc.

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