GMAH32 – Middle Alumina 3.2 SG

32 Series middle alumina grinding media is a high performance, fine grained alumina based media with exceptional performance characteristics. It is well suited to high speed milling of mineral ores and similar hard materials.

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MATERIAL SPECIFICATIONS


Property Specification
Al2O3 (%) 80
SiO2 (%) 15
Other (%) 5
Solids Density (g/cm3) 3.15 – 3.25
Sizes (mm) 0.5 – 12
Roundness (%) > 93
Water Absorption (%) 0.0
Vickers Hardness ~1330
Appearance White / Ivory

Increased performance, middle density alumina, providing high wear resistance in METSO SMD Mills, and reduced operating costs in High Intensity Mills.

“Keramos has saved us around AUD$2 million per year directly on media costs. The other savings are mill linings, agitator arms, maintenance costs, downtime, freight and storage. Consequently, we’ve awarded Keramos a long-term contract for the supply of their ceramic grinding media.”
SMD Mill