Spherical Alumina - BAH
First established in 2007, with headquarter in the Ya’ an Economic Development Zone of Sichuan, Bestry is a world leader specialized in the research and development, production and sales of functional powder materials .
Through independent research and development of technical process, as well as manufacturing of key production equipment, Bestry has successfully built a complete portfolio of products with high performance and stable quality.
The company’ s core products include thermal conductive powder materials, such as spherical alumina, near-spherical alumina, aluminum nitride powder spherical aluminum nitride, flake boron nitride, electro-magnetic shielding powder materials, nickel-coated graphite, silver-coated nickel, boehmite, lithium battery membrane coating, and pole plate coating.
Spherical Alumina - BAH series
Applications
- Thermal Interface Materials: thermal silica gasket, thermal grease , phase change materials;
- Thermal Engineering Plastics: LED lamp cover, switch enclosures, electronic products shell, heat dissipators for electronics;
Specifications
| Properties | Unit | BAH Series Product Code | ||||||||
| BAH-2H4 | BAH-5H4 | BAH-10H4 | BAH-20H4 | BAH-40H4 | BAH-70H4 | BAH-90H4 | BAH-120H4 | |||
| Particle Size | (D10) | μm | 0.71 | 2.33 | 4.18 | 11.96 | 24.92 | 44.28 | 53.44 | 94.33 |
| (D50) | μm | 2.15 | 5.59 | 10.03 | 21.56 | 42.49 | 71.45 | 88.27 | 122.18 | |
| (D90) | μm | 4.24 | 9.38 | 18.46 | 36.81 | 65.99 | 106.5 | 133.24 | 168.18 | |
| Specific Surface Area | m2/g | 0.65 | 0.17 | 0.09 | 0.07 | 0.05 | 0.02 | 0.01 | 0.01 | |
| E.C. | μS/cm | 1.76 | 1.15 | 1.05 | 0.94 | 1.72 | 1.78 | 2.87 | 1.93 | |
| pH Value | - | 7.13 | 7.23 | 6.79 | 6.75 | 7 | 6.98 | 6.78 | 7.13 | |
| Moisture | % | 0.04 | 0.04 | 0.04 | 0.04 | 0.03 | 0.04 | 0.04 | 0.04 | |
| True Density | g/cm3 | 3.62 | 3.78 | 3.78 | 3.81 | 3.77 | 3.83 | 3.83 | 3.79 | |
| Spheroidization Rate | % | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | |
| Chemical Composition |
AI2O3 | % | 99.12 | 99.51 | 99.53 | 99.63 | 99.73 | 99.72 | 99.71 | 99.73 |
| SiO2 | ppm | 432 | 453 | 412 | 387 | 396 | 376 | 384 | 359 | |
| Fe2O3 | ppm | 175 | 165 | 134 | 153 | 173 | 164 | 176 | 181 | |
| Na2O | ppm | 105 | 103 | 116 | 115 | 172 | 107 | 113 | 106 | |
