Spherical Alumina - TOP CUT
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 - TOP CUT series
Product Features
- High Spheroidization Ratio
- High Filling Ratio
- High Thermal Conductivity
- Narrow particle size distribution
Applications
- Epoxy Molding Compounds
- Thermal Interface Materials,
- Thermal Plastics
- Thermal Clads
Specifications
| Properties | Unit | BAK Series Product Code | ||||||
| BAK-1 | BAK-2 | BAK-5 | BAK-10 | BAK-15 | BAK-20 | |||
| Particle Size | (D10) | μm | 1.92 | 4.08 | 9.73 | 18.32 | 23.35 | 49.9 |
| (D50) | μm | 5.07 | 8.61 | 15.51 | 32.1 | 40.78 | 75.34 | |
| (D90) | μm | 8.89 | 15.48 | 22.85 | 63.12 | 65.18 | 109.3 | |
| Screen Residue | ppm | 325Mesh （45um）≤ 100 500 Mesh （25um）≤ 4000 |
400 Mesh （38um）≤ 100 500 Mesh （25um）≤ 1000 |
270 Mesh （53um） ≤ 200 325 Mesh （45um）≤ 3000 |
150 Mesh （100um）≤ 100 200 Mesh （75um）≤ 3000 |
120 Mesh （124um）≤ 300 150 Mesh （100um）≤ 3000 |
120 Mesh （124um）≤ 100 130 Mesh （110um） ≤ 1000 |
|
| Specific Surface Area | m2/g | 0.38 | 0.22 | 0.12 | 0.09 | 0.09 | 0.06 | |
| E.C. | μS/cm | 2.64 | 5.81 | 3.77 | 3.77 | 4.68 | 5.31 | |
| pH Value | - | 6.79 | 7.33 | 6.8 | 7.05 | 6.82 | 6.97 | |
| Moisture | % | 0.03 | 0.02 | 0.03 | 0.03 | 0.03 | 0.02 | |
| True Density | g/cm3 | 3.7 | 3.82 | 3.78 | 3.8 | 3.79 | 3.79 | |
| Spheroidization Rate | % | 96 | 96 | 97 | 96 | 96 | 95 | |
| Chemical Composition |
AI2O3 | % | 99.93 | 99.93 | 99.94 | 99.94 | 99.94 | 99.95 |
| SiO2 | ppm | 430 | 450 | 370 | 340 | 340 | 250 | |
| Fe2O3 | ppm | 180 | 140 | 140 | 150 | 150 | 160 | |
| Na2O | ppm | 90 | 110 | 90 | 110 | 110 | 90 | |
