Alumina Grinding Media:
-High density, high hardness, low wear loss, regular shape, impact resistance, corrosion resistance, etc.
-Mainly used in ceramic, glaze, paint, zirconia silicate, aluminum oxide, quartz, silicon carbide, talc, lime carbonate, kaolin, titanium and other materials grinding.
-Size: 0.5-1mm, 1-1.5mm, 1.5mm, 1.5-2mm, 2mm, 3mm, ...60mm
-Density: 3.6g/cm3
-Color: white
-Monthly production capacity: 800tons per month
Product: HCGA360 (92%Alumina Ceramic Balls)
Item Technical Data Remarks
Composition AL2O3: ≥92%
SiO2: ≤5%
Fe2O3: ≤0.1%
Others: ≤3%
Specific density(g/cm3) ≥3.60
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‰ )
| |
92% Alumina Grinding Ball |
| Al2O3(%) |
92±1 |
| Fe2O3(%) |
<0.25 |
| SiO2(%) |
≤5 |
| Mohs hardness |
9 |
| Water absorption |
<0.01 |
| Bulk density(g/cm3) |
>3.60 |
| Wear loss(g/kgh) |
<1.6 |
| Crushing strength(3mm) |
>1050N |
| Size |
Ø0.5-60mm |
| Sphericity |
>95% |
(4) Standard Dimension
ø0.5-1mm, ø1.5mm, ø2mm, ø2.5mm, ø3mm, ø3.5mm, ø4mm, ø5mm, ø6mm, ø8mm, ø10mm, ø13mm,
ø15mm, ø20mm, ø30mm, ø40mm, ø50mm, ø60mm
(5) Package
Different package as to meet different customer's requirements.
Wooden Crates Drum Plastic Pallet Bulk Packing
Audited Supplier 
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