This product is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. The product is charactered by reasonable particle size, moderate strength, good fluidity, low sintering temperature, easy demolding.
Note: We can design and produce the alumina granulation powder according to your requirements.
| Indicators | Units | A90 | A92 | A95 | A97 | A99 |
| Al2O3 | % | 90 | 92 | 95 | 97 | 99 |
| Fe2O3 ≤ | % | 0.1 | 0.10 | 0.1 | 0.1 | 0.05 |
| Moisture | % | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Stacking Density | g/c m3 | 1-1.2 | 1-1.2 | 1-1.2 | 1-1.2 | 1-1.2 |
| Particle size | Mesh | 40~300 | 40~300 | 40~300 | 40~300 | 40~300 |
| Sintering temperature | ℃ | 1530 | 1550 | 1590 | 1630 | 1650 |
| Sintering density | g/c m3 | 3.50 | 3.62 | 3.65 | 3.70 | 3.85 |
| Soaking time | h | 2 | 2 | 2 | 2 | 2 |
| Na2O≤ | % | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Average shrinkage | % | 16-18 | 16-18 | 16-18 | 16-18 | 16-18 |
| The color of Ceramic | White | White | White | White | White |