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Spherical Alumina (Al2O3) Powder, HMBAK 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 get the final object. It exhibits a high spheroidization rate, high filling ratio, and high thermal conductivity. Heeger Materials offers top-quality 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.
HMBAK Series Spherical Alumina Powder Specifications
Properties | Unit | HMBAK Series Product | ||||||||||||
HMBAK-1 | HMBAK-2 | HMBAK-5 | HMBAK-10 | HMBAK-15 | HMBAK-20 | HMBAK-30 | HMBAK-40 | HMBAK-70 | HMBAK-90 | HMBAK-120 | ||||
Particle Size | D10 | μm | 0.58 | 0.69 | 2.54 | 4.18 | 7.03 | 10.5 | 16.88 | 23.77 | 44.32 | 55.23 | 90.95 | |
D50 | μm | 1.03 | 2.18 | 5.52 | 10.03 | 15.11 | 20.8 | 30.52 | 41.54 | 71.54 | 87.96 | 122.39 | ||
D90 | μm | 2.14 | 5.24 | 9.09 | 18.46 | 24.06 | 37.24 | 48.87 | 66.44 | 106.5 | 134.92 | 172.72 | ||
Specific Surface Area | m2/g | 1.69 | 1.27 | 0.36 | 0.17 | 0.14 | 0.11 | 0.1 | 0.07 | 0.05 | 0.06 | 0.06 | ||
Electricity Conductivity | μS/cm | 6.07 | 5.40 | 5.65 | 4.05 | 1.83 | 6.87 | 7.95 | 4.65 | 6.18 | 8.15 | 2.6 | ||
PH Value | -- | 7.53 | 7.79 | 7.7 | 7.41 | 7.37 | 7.62 | 7.39 | 7.31 | 7.42 | 7.3 | 7.44 | ||
Moisture | % | 0.05 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.05 | 0.03 | 0.03 | ||
True Density | g/cm3 | 3.71 | 3.71 | 3.74 | 3.76 | 3.86 | 3.79 | 3.75 | 3.81 | 3.87 | 3.88 | 3.81 | ||
Spheroidization Rate | % | 96 | 98 | 98 | 98 | 96 | 96 | 98 | 96 | 96 | 95 | 96 | ||
Chemical Composition | Al2O3 | % | 99.93 | 99.94 | 99.93 | 99.94 | 99.93 | 99.94 | 99.94 | 99.94 | 99.94 | 99.94 | 99.94 | |
SiO2 | ppm | 445 | 373 | 424 | 358 | 430 | 352 | 333 | 349 | 342 | 330 | 359 | ||
Fe2O3 | ppm | 152 | 120 | 176 | 136 | 158 | 144 | 161 | 148 | 158 | 164 | 133 | ||
Na2O | ppm | 103 | 107 | 100 | 106 | 112 | 104 | 106 | 103 | 100 | 106 | 108 | ||
HMBAK Series Spherical Alumina Powder SEM
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HMBAK Series Spherical Alumina Powder Features
- High Loadability
- High Thermal Conductivity
- Low Abrasion
HMBAK Series Spherical Alumina Powder Applications
- Thermal Interface Materials: thermal silica gasket, grease, phase change materials.
- Thermal Engineering Plastics: LED lamp cover, switch enclosures, electronic products shell, heat dissipators for electronics.
- Al-based Copper Clad Laminate: high-power LED circuit substrate, power circuit boards, etc.
- Alumina Ceramic Filters
- Thermal Spray Coating
HMBAK 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. HM offers vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or customized packaging as per specific requirements.
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