99.99% Nano Aluminum Oxide Powder
99.99% nano-aluminum oxide powder is chemically synthesized and features high α-phase alumina, high purity (99.99%), good sintering activity, small primary crystal size (100nm), small particle size (~150nm), and narrow distribution. Compared with ordinary alumina, it can be sintered at a lower temperature, with a true density of nearly 3.9 g/cm³ at 1350℃ and reaching 3.96 g/cm³ at 1500℃.
Feature: Lower sintering temperature, higher flexural strength and toughness, lower surface roughness, and higher wear resistance.
| Al2O3 | Min 99.99% |
| Na | Max. 10ppm |
| Fe | Max. 10ppm |
| Ca | Max. 5ppm |
| Cr | Max. 1ppm |
| Zr | Max. 10ppm |
| Si | Max. 20ppm |
| Cl | Max. 1ppm |
| Appearance | White fine powder |
| L.O.I | 1-2%/2-3% |
| Phase | α |
| Particle size | D50 value 150-200nm |
| BET | 1.0-1.2 m2/g |
| Strength | 150 MPa |
| Sintering temperature | 1350°C |
| Sintered density | 3.92 g/cm3 |
| Cross-sectional crystal size | 0.5um |
| Shrinkage | 16% |
| bending strength | 600 MPa |
Application:
Alumina Ceramics.
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