Maheshwari A 99.9 aluminum oxide beads have a very high purity with an Al2O3 content of > 99.9% and with minor secondary components of < 1000 ppm. These beads are suitable for the preparation and wet grinding of high-quality aluminum oxide raw materials for e.g. special technical, electrical and optical components and high-purity coatings made from special suspensions. Very small beads down to 0.1 mm and sizes up to 60mm are available of this type. Technical Data: High purity 99.9 % Al2O3 Specific Weight 3.8 kg/dm3 Bulk Density 2.3 kg/dm3 Roundness 0.93 (ratio width/length (xmin/xmax)) Colour: White satin smooth Fields of application In the mining industry A 99.9 ceramic beads are used for the grinding of minerals and precious metals. Quality attributes The ceramic beads type A 99.9 have a dense sintered structure, a smooth surface, high roundness and high hardness.
