| Customization: | Available |
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| Material: | Alumina |
| Content: | >90% |
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Introduction:
High 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. High alumina balls, with more than 90% alumina content are high alumina balls. Among them, the high-alumina balls are subdivided into 90 porcelain, 92 porcelain, 95 porcelain and 99 porcelain. Due to its extremely high production cost, few large-scale manufacturers manufacture 99 porcelain in large quantities. At present, it is mainly made by hand by some special ceramic factories.
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 | |
| High Alumina Grinding Balls | 92 | 3.65 | 0.01 | 9 | 0.011 | White | |
| Appearance Demand | |||||||
| High Alumina Grinding Balls | |||||||
| Crack | Not Permission | ||||||
| Impurity | Not Permission | ||||||
| Foam hole | Above 1mm not permission, size in 0.5mm permit 3 balls. | ||||||
| Flaw | Max. size in 0.3mm permit 3 balls | ||||||
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