Spherical Alumina Powder (Conventional Type) is produced by the high-temperature melting-sphere-jet method, and then sieving, purification, and other processes to produce the final object.

Main Colors
- White
- Off-White
Price
USD $2.53-17.01 / kg EXW
Packaging
25 kg bags or customized packaging on request
Model | XL-1 | XL-2 | XL-5 | XL-10 | XL-20 | XL-30 | XL-40 | XL-70 | XL-90 | XL-120 |
---|---|---|---|---|---|---|---|---|---|---|
Particle Distribution (μm) D10 |
0.52 | 0.68 | 2.51 | 4.15 | 10.4 | 16.68 | 23.45 | 44.22 | 55.32 | 90.56 |
Particle Distribution (μm) D50 |
1.05 | 2.08 | 5.42 | 10.54 | 20.32 | 30.25 | 41.26 | 71.45 | 87.69 | 135.22 |
Particle Distribution (μm) D90 |
2.11 | 5.14 | 9.19 | 18.81 | 37.24 | 48.74 | 66.12 | 134.82 | 172.02 | 229.8 |
Specific Surface Area (m²/g) | 1.68 | 1.28 | 0.95 | 0.87 | 0.64 | 0.43 | 0.26 | 0.15 | 0.11 | 0.07 |
Electric Conductivity (μS/cm) | 6.07 | 5.30 | 5.61 | 4.06 | 6.78 | 5.39 | 4.56 | 4.04 | 3.79 | 4.45 |
pH Value | 7.52 | 7.79 | 7.70 | 7.40 | 7.61 | 7.34 | 7.56 | 7.49 | 7.46 | 7.54 |
Moisture (%) | 0.04 | 0.03 | 0.05 | 0.03 | 0.06 | 0.04 | 0.03 | 0.05 | 0.03 | 0.06 |
True Density (g/cm³) | 3.71 | 3.70 | 3.73 | 3.76 | 3.79 | 3.79 | 3.80 | 3.87 | 3.88 | 3.88 |
Spheroidization Rate (%) | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 96 | 96 | 96 |
Al2O3 (%) | 99.83 | 99.94 | 99.93 | 99.94 | 99.94 | 99.94 | 99.94 | 99.94 | 99.94 | 99.94 |
SiO2 (ppm) | 445 | 373 | 423 | 358 | 350 | 352 | 386 | 391 | 365 | 344 |
Fe2O3 (ppm) | 152 | 120 | 175 | 135 | 140 | 125 | 150 | 157 | 165 | 135 |
Na2O (ppm) | 103 | 106 | 100 | 106 | 103 | 106 | 106 | 105 | 106 | 106 |