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Spherical Alumina (Al2O3) Powder, HM Top Cut Series
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Spherical Alumina (Al2O3) Powder is produced by the high-temperature melting-sphere-jet method, and then sieving, purification, and other processes to produce the final object. It exhibits a high spheroidization rate, high filling ratio, and high thermal conductivity. Heeger Materials offers the best Spherical Alumina Powder at competitive prices. Specialized and customized services are available.
Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.
Data sheet
| Shape | Spherical Powder |
| Materials | Al2O3 |
| Purity | 99.9% |
More info
Spherical Alumina (Al2O3) Powder has unique and excellent physicochemical properties and has been widely used as the filler of thermally interface materials, thermally conductive engineering plastics, thermally conductive fillers of aluminum-based copper-clad laminates, and so on. HM has developed spherical alumina products to meet customers' diverse needs, including the HMBAK series, HM Top Cut series, HMBAH series, and HMBAM series.
HM Top Cut Series Spherical Alumina Powder Specifications
Properties | Unit | HM Top Cut Series Product | |||||||
HMBAK-5-25C | HMBAK-10-35C | HMBAK-15-45C | HMBAK-30-75C | HMBAK-40-75C | HMBAK-70-120C | ||||
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 | +325 mesh (45μm)≤100 +500 mesh (25μm)≤4000 | +400 mesh (38μm)≤100 +500 mesh (25μm)≤1000 | +270 mesh (53μm)≤200 +325 mesh (45μm)≤3000 | +150 mesh (100μm)≤100 +200 mesh (75μm)≤3000 | +120 mesh (124μm)≤300 +150 mesh (100μm)≤3000 | +120 mesh (124μm)≤100 +130 mesh (110μm)≤1000 | ||
Specific Surface Area | m2/g | 0.38 | 0.22 | 0.12 | 0.09 | 0.09 | 0.06 | ||
Electricity Conductivity | 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 | Al2O3 | % | 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 | ||
HM Top Cut Series Spherical Alumina Powder Features
- High Spheroidization Ratio
- High Filling Ratio
- HighThermal Conductivity
- Narrow particle size distribution
HM Top Cut Series Spherical Alumina Powder Applications
- Epoxy Molding Compounds
- Thermal Interface Materials
- Thermal Plastics
- Thermal Clads
HM Top Cut Series Spherical Alumina Powder Packing
Spherical Alumina (Al2O3) Powder should be stored in a sealed container in a dry and cool place, and should not be exposed to air for an extended period. We offer vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or we can offer customized packaging as per specific requirements.
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