| Alumina
grinding ball for all sorts of ball mills, pearl mills, sand
mills for the supersfine grindings and dispersions of products
with special quality requirements ,such as:Zircon
sand,Silicon dioxide, Calcite(GCC),Magnetic bands coatings for
audio and video tapes, paint, pigment,coatings,Ceramic glaze,Titanium
dioxide and so on.
Main
Advantage:
- High strength,Excellent wear resistance,20 times more
than commonly ceramic ball of France or ceramic ball,keep
the material high degree of purity.
- High density,high grinding efficiency,shorten 50% gridning
times.
- Very good roundness,very smooth and shiny surface,long
times of use.
Mechanical Properties:
| Content
of Al2O3 |
≥90% |
Porosity |
0% |
Mohs
Hardness |
8.5-9 |
| Gravity |
≥3.6g/cm3 |
water
absorbation |
0% |
Compression
Strength |
≥1800Mpa |
SizesØmm:
0.5,1.0,1.5,2.0,3.0,4.0,5.0,6.0,8.0,10.0,13.0,15.0,20.0,
30.0,40.0,50.0,60.0,70.0.
Usage:
Ø0.5-3mm Grinding ball use in sand mill
Ø5-20mm Grinding ball use in mix mill and ball mill
OverØ20mm Grinding ball use in ball mill
Comparision of Hetian, Japan, Shangdong
balls：
| |
Hetian |
Japan |
Shangdong |
| Weight loss of bll(%24hr) |
0.027 |
0.023 |
0.560 |
| Weight loss of bll(%100hr) |
0.099 |
0.067 |
6.097 |
| Gravity(g/cm3) |
3.70 |
3.63 |
3.55 |
|
