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Glass Manufacturing

Glass Manufacturing

Alumina is added to glass formulations to improve mechanical strength, hardness, thermal and optical properties. These properties are important in end-use applications such as LCD glass, cover screens, armor, and fiberglass for industrial, marine and aerospace industries.  The low impurity levels of our calcined alumina allows the user to maintain more consistent batch chemistry, melt viscosity and flow behavior.

Unground Calcined Aluminas

GMA 15 LS

Fraction +45µm = 88%
Loss on Ignition = 0.2%
Na2O Content = 0.12%

A 14

Primary Crystal Size = 2.1µm
Specific Surface Area = 0.60 m2/g
Na2O Content = 0.03%

A 2

Primary Crystal Size = 3.0µm
Specific Surface Area = 0.40 m2/g
Na2O Content = 0.30%

A 35

Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.11%

HVA

Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.12%

GMA 25 NS

Fraction +45µm = 82%
Loss on Ignition = 0.2%
Na2O Content = 0.40%

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