Spherical Alumina Powder XL-2

Ceramic & Electronic Fillers

$15.39$13.39

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.

Spherical Alumina Powder

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

Excellent Insulation: Electrically insulating yet thermally conductive

Low Oil Absorption: Allows high loading in polymer matrices without excessive viscosity

Uniform Particle Size: Reduces agglomeration and enhances composite performance

Model

XL-2

D10(μm)

0.68

D50(μm)

2.08

D90(μm)

5.14

Specific Surface Area(m²/g)

1.28

Electric Conductivity(μS/cm)

5.30

pH Value

7.79

Moisture(%)

0.03

True Density(g/cm³)

3.70

Spheroidization Rate(%)

98

Al₂O₃(%)

99.94

SiO₂(ppm)

373

Fe₂O₃(ppm)

120

Na₂O(ppm)

106

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