Factory Alumina Ceramic Balls Beads Spheres for Surperfine Powder Grinding
This product are featured by high density and hardness, low wear lost, corrosion-resistance etc. They are the perfect high-efficient grinding media for milling glaze/frit, pigment, ceramic materials, and various mine ore powder, they are using ceramics, cements, paints, refractories, inorganic mineral powders etc...
Applied for dry grinding, wet grinding, mineral grinding, quartz grinding, lineston grinding, iron ore grinding, cement grinding, ceramics plants grinding, pigment grinding, mineral ore grinding, breaking platns.
Applied for ball mill, grinding machine, pot mill, librating mill, pebble mill, Attrition Mill, rod mill, grinding mill, grinding machine, ball grinding mill
Size: 1mm, 3mm, 6mm, 9mm, 13mm, 16mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 95mm
1: 92% 95% 68% Alumina content series
A) Al2O3 ≥ 92%
B) Water absorption <0.01%
C) Bulk density ≥ 3.63 g/cm3
D) Mosh hardness: 9
E) Color: White
2: 95% High-alumina grinding ball
A) Al2O3 ≥ 95% Sio2<3.8%, others: ~3%
B) Water absorption <0.01%
C) Bulk density ≥ 3.7 g/cm3
D) Mosh hardness: 9
E) Color: White
F) self abrasion loss: <0.008%
3: 68% Medium alumina grinding ball series:
A) Al2O3: 65%~75%
B) Bulk density ≥ 2.93g/cm3
C) Mosh hardness: 8 grade
D) self abrasion loss: 0.01
E) Color: White or brown
| Ceramic Item |
Al2O3 |
SiO2 |
Others |
| 92% ball |
92% |
<6.5% |
~2 % |
| 95% ball |
95% |
<3.6~3.7 % |
~2% |
| 68% ball |
68% |
<21.2% |
~10.18% |
B.Physical Analysis
| Item |
Alumina
Content |
Mohs hardness |
Abrasion loss
(24hours) |
Density
(g/cm3) |
Water absorption |
| 92% ball |
92% |
9 |
<0.01% |
3.6 |
<0.01% |
| 95% ball |
95% |
9 |
<0.01% |
3.74 |
<0.01% |
| 68% ball |
68% |
7-8 |
<0.03% |
3 |
<0.02% |
| Producing way ::cool-isostatic pressing , or by rolling |
C. Size :
| Diameter (mm) |
D1-3 |
D6/8/10/13/16/20/25 |
D30/40 |
D50/60/70 |
| Tolerance (±mm) |
0.5 |
1 |
2 |
3 |
Audited Supplier 
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