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Alumina Cement Grinding Ball

Chemical and Physical of properties Chemical Properties Typical Value Al2O3 (%) ≥92 SiO (%) ≤7 MgO+CaO (%) ≤ 2 Fe2O3 (%) ≤0.1 Water absorption rate (%) 0.01 Physical Properties Bulk density (gr/cm3) ≥3.60 Porosity (%) 0…

Product Details

Chemical and Physical of properties

Chemical Properties Typical Value
Al2O3 (%) ≥92
SiO (%) ≤7
MgO+CaO (%) ≤ 2
Fe2O3 (%) ≤0.1
Water absorption rate (%) 0.01
Physical Properties
Bulk density (gr/cm3) ≥3.60
Porosity (%) 0
Hardness (Mohs) ≥9
Hardness (Rockwell) 80-83
Wearing Loss (gram)/MT Clinker ≤ 15
Fracture Strength (KN) ≥60
Breakage rate (%) ≤ 0.05
Color White

 Industrial test Standard reference:

GB/T 2997 – 2000 for bulk density, porosity

GB/T 6900.9 – 2006 for alumina purity

GB/T 6900.10 –2006 for chemical composition

GB/T 8488.5-2001 for water absorption

Diameters15mm17mm20mm25mm30mm(±1

Topnewer alumina cement grinding ball, the finished product is made of high-purity α-alumina, and the semi-finished products of alumina ceramic products are prepared by powder preparation, rolling and cold isostatic pressing, and fired in high-temperature tunnel kiln.

Finished product appearance rules, with excellent resistance to wear, impact, corrosion, high temperature, etc., is an ideal medium for cement grinding.

Energy saving, environmental protection, reducing consumption, extending the service life of equipment, the indicators can reach domestic leading and international advanced level.

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