99.99% Min( r-AL2O3/a-AL2O3)High-Purity Alumina
Minimum Order: 0
Quality/Safety Certification: 0.00
High-purity, superfine, the grain-size
distribution is even, colorless tasteless white powder
High-purity alumina Use:The high-pressured sodium lamp inner tube,long Yu Huiye the burnishing powder, grinds the material, the catalyst carrier, the ruby, the sapphire.
Quality:
Specification | Crystal | Purity (%)≥ | Center position particle size d50(um) | Relative surface product
| The pine installs the density ( g/m3) | Foreign inclusion (ppm)≤ | |||||||
K | Na | Ca | Mg | Fe | Si | Ti | Cu | ||||||
r-AL2O3 | r | 99.99 | 0.1-0.6 | ≥100 | 0.10-0.18 | 2 | 2 | 3 | 1 | 3 | 2 | 1 | 3 |
α-AL2O3 | α | 99.99 | 0.4-0.8 | ≥30 | 0.25-0.32 | 10 | 9 | 4 | 2 | 5 | 10 | 4 | 3 |
Note: Center the position particle size may carry on the adjustment according to the customer request.