Description
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.
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 | ° C | 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 |