75% Mid-Alumina Ceramic Grinding Ball
Products introduction:
Generally, we classify those with 75% alumina content as medium-aluminum balls. Some types mainly made by hand by some special ceramic factories.
Generally, we classify those with 75% alumina content as medium-aluminum balls. Some types mainly made by hand by some special ceramic factories.
Product Details
Mid-Alumina grinding balls refer to materials such as bauxite, roller powder, industrial alumina powder, and high-temperature calcined Alpha alumina powder as raw materials, after batching, grinding, milling (pulping, mud making), forming, and drying , Sintering and other processes, mainly used as a grinding medium and widely used ball stone. According to different alumina content, it can be divided into medium-aluminum balls, medium-high aluminum balls and high-aluminum balls. 
Application:
Grinding Balls are suitable for grinding medium used in ball grinding machines.
Technical Parameter:
| Product | Al2O3 | Bulk density (g/cm2) | Water absorption | Mohs Hardness scale | Abrasion loss (%) | Color |
| (%) | ||||||
| Medium Alumina Grinding Balls | 75 | 2.93 | 0.01 | 8 | 0.01 | Yellow-White |
| Appearance Demand | ||||||
| Medium Alumina Grinding Balls | ||||||
| Crack | Not Permission | |||||
| Impurity | Not Permission | |||||
| Flaw | Max. size in 0.3mm permit 3 balls | |||||
| Advantage | High Alumina Content | |||||
| b)High density | ||||||
| c)High Hardness | ||||||
| d)High Wearing Feature | ||||||
| Warranty | By National Standard HG/T 3683.1-2000 | |||||
| b) Offer lifetime consultation on problems occurred | ||||||
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 |
Mid-Alumina grinding balls refer to materials such as bauxite, roller powder, industrial alumina powder, and high-temperature calcined Alpha alumina powder as raw materials, after batching, grinding, milling (pulping, mud making), forming, and drying , Sintering and other processes, mainly used as a grinding medium and widely used ball stone. According to different alumina content, it can be divided into medium-aluminum balls, medium-high aluminum balls and high-aluminum balls.
Application:
Grinding Balls are suitable for grinding medium used in ball grinding machines.
Technical Parameter:
| Product | Al2O3 | Bulk density (g/cm2) | Water absorption | Mohs Hardness scale | Abrasion loss (%) | Color |
| (%) | ||||||
| Medium Alumina Grinding Balls | 75 | 2.93 | 0.01 | 8 | 0.01 | Yellow-White |
| Appearance Demand | ||||||
| Medium Alumina Grinding Balls | ||||||
| Crack | Not Permission | |||||
| Impurity | Not Permission | |||||
| Flaw | Max. size in 0.3mm permit 3 balls | |||||
| Advantage | High Alumina Content | |||||
| b)High density | ||||||
| c)High Hardness | ||||||
| d)High Wearing Feature | ||||||
| Warranty | By National Standard HG/T 3683.1-2000 | |||||
| b) Offer lifetime consultation on problems occurred | ||||||
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±5 |
|
Φ40 |
25±1.5 |
100±5 |
|
Φ50 |
39±2 |
193±5 |
|
Φ60 |
58±2 |
335±5 |
Products size data:
|
Spec.(mm) |
Volume(cm3) |
Weight(g/pc) |
|
Φ30 |
14±1.5 |
43±5 |
|
Φ40 |
25±1.5 |
100±5 |
|
Φ50 |
39±2 |
193±5 |
|
Φ60 |
58±2 |
335±5 |
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