HIGH ALUMINA BALLS

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.