99.99γ-Al₂O₃ High-purity Ultrafine Powder
Molecular formula Al2O3
Molecular Weight 101.96
Chemical Name Aluminium Oxide
Einecs No. 215-691-6
Cas No. 1344-28-1
Specifications
Parameters |
Chemson-818F-100 |
Chemson-818F-180 |
Appearance |
White Powder |
White Powder |
Crystal |
γ |
γ |
Purity, % |
99.99 |
99.99 |
Primary Diameter, nm |
6~10 |
6~10 |
D50, μm ≤ |
5 |
6 |
Loose Density, g/cm3 |
0.10~0.28 |
0.08~0.25 |
Tap Density, g/cm3 |
0.20~0.35 |
0.18~0.35 |
BET, m2/g |
100±20 |
180±20 |
Impurity Element Content, ppm ≤ |
||
Silicium (Si) |
50 |
50 |
Iron (Fe) |
5 |
5 |
Sodium (Na) |
10 |
10 |
Calcium (Ca) |
5 |
5 |
Potassium (K) |
5 |
5 |
γ-Al2O3(TEM)
Characteristics γ-Al2O3 is odorless, tasteless and white powder. It is unstable crystal, and turns into θ-Al2O3 when the temperature is 1000℃ and stable α-Al2O3 when 1180℃. It is transparent or semitransparent, and its primary diameter is 6~10nm. The specific surface area is large (BET, 100~400m2/g) and surface chemistry is highly active.
Applications Widely used as filler, catalyst carrier, desiccant, adsorbent, depurant, inside wall film of lamp, imitation jewel, inorganic membrane etc..
Packaging Coextruded paper bags lined with plastic film, net weight 10Kgs/bag.
Storage Store in a cool, dry, well-ventilated area away from sunlight.
Relevant information
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The company insists on independent innovation, and has obtained a number of scientific research achievements and invention patents in the fields of rubber chemicals and ultrafine materials.
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