Unground Calcined Aluminas
Almatis offers a variety of unground calcined aluminas with primary crystal sizes ranging from 0.3 – 25µm. Most of these calcined aluminas are also available in continuous and batch ground (reactive) versions. Our calcined alumina purity levels range from 99.5 - 99.8%, including normal soda (≤0.35%), intermediate soda (≤0.20%), low soda (≤0.10%) and ultra-low soda (≤0.05%) products.
Fraction +45µm = 88%
Loss on Ignition = 0.2%
Na2O Content = 0.12%
Primary Crystal Size = 2.1µm
Specific Surface Area = 0.60 m2/g
Na2O Content = 0.03%
Primary Crystal Size = 3.0µm
Specific Surface Area = 0.40 m2/g
Na2O Content = 0.30%
Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.11%
Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.12%
Fraction +45µm = 82%
Loss on Ignition = 0.2%
Na2O Content = 0.40%
Fraction +45µm = 75%
Loss on Ignition = 0.2%
Na2O Content = 0.40%
Fraction +45µm = 75%
Loss on Ignition = 0.2%
Na2O Content = 0.25%
Fraction +45µm = 75%
Loss on Ignition = 0.2%
Na2O Content = 0.12%