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.
Product Name: Spherical Alumina Powder
Material Type: α-Al₂O₃ (Alpha Alumina)
Morphology: Spherical (spheroidized)
Al₂O₃ Content:≥ 99.5%(Available grades up to 99.99%)
SiO₂:≤ 0.03%
Fe₂O₃:≤ 0.01%
Na₂O:≤ 0.2%
SPHERICAL ALUMINA POWDER ADVANTAGES
Perfect Spherical Shape: Improves flowability and dispersibility in resin systems
High Thermal Conductivity: Typically 20–30 W/m·K (depending on formulation)
High Chemical Purity: Stable under harsh processing conditions
Low Oil Absorption: Allows high loading in polymer matrices without excessive viscosity
Uniform Particle Size: Reduces agglomeration and enhances composite performance
Model
XL-120
D10(μm)
90.56
D50(μm)
122.89
D90(μm)
172.02
Specific Surface Area(m²/g)
0.07
Electric Conductivity(μS/cm)
2.6
pH Value
7.54
Moisture(%)
0.04
True Density(g/cm³)
3.89
Spheroidization Rate(%)
96
Al₂O₃(%)
99.94
SiO₂(ppm)
359
Fe₂O₃(ppm)
135
Na₂O(ppm)
106
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