Customization: | Available |
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Material: | Alumina |
Processing Type: | Isostatic Pressing Type |
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Products Introduction of Grinding Ball
Grinding Balls are suitable for grinding medium used in ball grinding machines.
Product Parameters
Technical Specification of Grinding Ball
Product |
Al2O3 % |
Bulk density g/cm2 |
Water absorption |
Mohs hardness scale |
Abrasion loss % |
Color |
|
High alumina grinding balls |
92 |
3.65 |
0.01 |
9 |
0.011 |
White |
|
Medium alumina grinding balls |
65-70 |
2.93 |
0.01 |
8 |
0.01 |
Yellow-White |
|
Appearance demand |
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High alumina grinding balls |
Medium alumina grinding balls |
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Crack |
Not permission |
Not permission |
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Impurity |
Not permission |
Not permission |
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Foam hole |
Above 1mm not permission, size in 0.5mm permit 3 balls. |
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Flaw |
Max. size in 0.3mm permit 3 balls. |
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Advantage |
a) High alumina content |
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Warranty |
a) By national standard HG/T 3683.1-2000 |
Items |
Proportion |
Items |
Proportion |
Al2O3 |
65-70% |
SiO2 |
30-15 |
Fe2O3 |
0.41 |
MgO |
0.10 |
CaO |
0.16 |
TiO2 |
1.71 |
K2O |
4.11 |
Na2O |
0.57 |
Spec.(mm) |
Volume(cm3) |
Weight(g/pc) |
Φ30 |
14 ± 1.5 |
43 ± 2 |
Φ40 |
25 ± 1.5 |
100 ± 2 |
Φ50 |
39 ± 2 |
193 ± 2 |
Φ60 |
58 ± 2 |
335 ± 2 |
Items |
Proportion |
Items |
Proportion |
Al2O3 |
≥92% |
SiO2 |
3.81% |
Fe2O3 |
0.06% |
MgO |
0.80% |
CaO |
1.09% |
TiO2 |
0.02% |
K2O |
0.08% |
Na2O |
0.56% |
Spec.(mm) |
Volume(cm3) |
Weight(g/pc) |
Φ30 |
14 ± 1.5 |
43 ± 2 |
Φ40 |
25 ± 1.5 |
126 ± 2 |
Φ50 |
39 ± 2 |
242 ± 2 |
Φ60 |
58 ± 2 |
407 ± 2 |