Spherical aluminum nitride powder is a kind of filler for heat, which is beige powder. Its purity is high and particle size distribution is average. Its surface is clean and the degree of sphericity is high. The flow ability of spherical aluminum nitride is good. Spherical aluminium nitride powder has property as high thermal conductivity, high filling, hydrolysis reseistance and electrical insulation.
Spherical Aluminum Nitride Powder
| CAS No.:24304-00-5 | Molecular Formula:AlN | Molecular Weight:40.99 |
| EINECS No.:246-140-8 | Melting Point:1680℃ | Boiling Point:2249℃ |
Aluminum Nitride with D50 around 40μm
| Item | Unit | Typical Value | Method/Device | |
| Particle size | D10 | μm | 26.9 | Light Scattering/OMEC Topsizer |
| D50 | μm | 37.8 | ||
| D90 | μm | 52.9 | ||
| SSA | m2/g | 0.06 | 3H-2000A Specific Surface Area Analyzer | |
| Bulk Density | g/cm3 | 1.60 | BT-302 Bulk Density | |
| Tapped Density | g/cm3 | 1.96 | BT-303 Tap Density |
| Item | Unit | Typical Value | Method/Device | |
| Impurity | O | % | 1.28 | Oxygen and Nitrogen analyzer |
| C | ppm | 126 | Carbon and Sulfur Analyzer | |
| Si | ppm | 14 | ICP | |
| Fe | ppm | 6 | ||
| Na | ppm | 5 |
Aluminum Nitride Powder with D50 50μm
| Item | Unit | Typical Value | Method/Device | |
| Particle size | D10 | μm | 34.5 | Light Scattering/OMEC Topsizer |
| D50 | μm | 49.5 | ||
| D90 | μm | 70.9 | ||
| SSA | m2/g | 0.04 | 3H-2000A Specific Surface Area Analyzer | |
| Bulk Density | g/cm3 | 1.62 | BT-302 Bulk Density | |
| Tapped Density | g/cm3 | 2.02 | BT-303 Tap Density |
| Item | Unit | Typical Value | Method/Device | |
| Impurity | O | % | 1.37 | Oxygen and Nitrogen Analyzer |
| C | ppm | 143 | Carbon and Sulfur Analyzer | |
| Si | ppm | 14 | ICP | |
| Fe | ppm | 6 | ||
| Na | ppm | 5 |
Applications
Spherical alumnium nitride powder is raw mateial for thermal grease, thermal gel, thermal pad and thermal interface material.