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Cement Alumina Ball

Cement alumina ball is widely used in cement, coating, chemical industry, ceramics, refractory, pigment, medicine, mining and other industries. Chemical and Physical of properties Chemical Properties Typical Value Al2O3 (%) ≥92…

Product Details

Cement alumina ball is widely used in cement, coating, chemical industry, ceramics, refractory, pigment, medicine, mining and other industries.

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
Recommended diameters for cement ball mills:
15mm   ±1 in diameters
17mm   ±1 in diameters
20mm   ±1 in diameters
25mm   ±1 in diameters
30mm   ±1 in diameters

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