| Material: | Alumina |
|---|---|
| Content: | >90% |
| Usage: | Grind |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Specification | Common Ceramic Balls | Inert Alumina Ceramic Balls | medium Alumina Ceramic Balls | High-Alumina Ceramic Balls | 99%-Alumina Ceramic Balls |
Al2O3+SiO2(%) | >93 | >92 | >93 | >94 | >99 |
Al2O3(%) | 17-23 | 23-30 | 47-75% | 90-92 | 99 |
Fe2O3(%) | <1 | <1 | <1 | <1 | 0.2 |
CaO(%) | <0.5 | <1.5 | <0.5 | <0.5 | 0.2 |
MgO(%) | <0.5 | <2.5 | <0.5 | <0.5 | 0.1 |
K2O+Na2O(%) | <4 | <4 | <3.5 | <4 | >0.5 |
TiO2 | ------- | <0.5 | <0.1 | <0.1 | 0.5 |
Leachable Fe2O3 | ------- | <0.1 | <0.001 | <0.001 | |
Water Absorption | <0.5% | <0.5% | <1 | <2 | 2.0-6.0 |
ParticleDensity g/cm3 | 2.3-2.4 | 2.3-2.4 | 2.6-2.9 | 3.4 | 3.1-3.6 |
Operation Temp (max).C | 980 | 982 | 1480 | 1580 | 1600 |
Moh's Hardness | >6.5 | >7 | >7 | >7 | >7.5 |
Crush Strength | KN/Particle | ||||
1/4"(6mm) | >0.5 | >0.5 | >0.5 | >0.6 | >1.0 |
1"(25mm) | >6.5 | >6.5 | >4.9 | >5.5 | >8.2 |
11/2"(38mm) | >8.9 | >8.9 | >5.5 | >5.4 | >8.2 |
2"(50mm) | 9.8 | >9.8 | >6.5 | >7.8 | >15.5 |
){kind=link}