Pressed 92%Alumina Ceramic Grinding Balls for dry grinding especially in cement industries:
-High density, high hardness, low wear loss, regular shape, impact resistance, corrosion resistance, etc.
-Mainly used in grinding cement, ceramic, glaze, paint, zirconia silicate, aluminum oxide, quartz, silicon carbide, talc, lime carbonate, kaolin, titanium and other materials grinding. Besides, widely ultra-fine grinding gold, copper, coal...
-Size: 13mm,15mm, 17mm, 20mm, 25mm, 30mm
-Density: 3.6g/cm3
-Monthly production capacity: 800tons per month
Product 3: HCGA360 (92%Alumina Ceramic Balls)
Item Technical Data Remarks
Composition AL2O3: ≥95%
SiO2: ≤5%
Fe2O3: ≤0.1%
Others: ≤3%
Specific density(g/cm3) ≥3.65
Vickers hardness(GPa) ≥12 HV5
Wear volume(g/kg.h) ≤1.6 Tested in high speed ball mill
Crushing hardness(Φ3.0) ≥1050N Diameter 3mm ceramic bead tested
Appearance good No crackle, no sticky silicon
Roundness ≥95%
Remarks: The wear volume of above diameter 15mm ceramic balls: 0.01g/kg.h (equivalent abrasion≤ 0.003‰ )
Product picture:
Packing:
25kgs per woven bag, 1000-1300kgs per wooden pallet
Factory:
Audited Supplier 
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