China Cheap price Polyhedral Hollow Ball - Mid-Alumina grinding ball Manufacturer – Kelley
China Cheap price Polyhedral Hollow Ball - Mid-Alumina grinding ball Manufacturer – Kelley Detail:
Application
Grinding Balls are suitable for grinding medium used in ball grinding machines.
Technical Specification
|
Product
|
Al2O3 (%) |
Bulk density (g/cm2) |
Water absorption |
Mohs Hardness scale |
Abrasion loss (%) |
Color |
|
Medium Alumina Grinding Balls |
65-70 |
2.93 |
0.01 |
8 |
0.01 |
Yellow-White |
|
Appearance Demand |
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Medium Alumina Grinding Balls |
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|
Crack |
Not Permission |
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|
Impurity |
Not Permission |
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|
Foam hole |
Above 1mm not permission, size in 0.5mm permit 3 balls. | |||||
|
Flaw |
Max. size in 0.3mm permit 3 balls | |||||
|
Advantage |
a)High Alumina Content b)High density c)High Hardness d)High Wearing Feature |
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|
Warranty |
a) By National Standard HG/T 3683.1-2000 b) Offer lifetime consultation on problems occurred |
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Typical Chemical Compositions
| 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 |
Products Size Data
|
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 |
Product detail pictures:



Related Product Guide:
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