The Martinswerk is an unground calcined alumina
utilized in a variety of industrial applications.
This is used for structural ceramics, compounds,
fillers, friction, and refractrory applications.
The ground, -325 quality is available in the MDS-6.
Typical Analysis
(Al2O3)
99.8%
(SiO2)
<0.08%
(Fe2O3)
0.01-0.03%
(Na2O)
total
<0.1%
(CaO)
0.01-0.03%
Alpha Al2O3
<98%
Loss
on Ignition
<0.2%
Specific Surface
Area (BET)
0.3 - 0.6 m2/g
Primary Crystal
Size
3-4 um
Bulk Density
»700 kg/m3
Typical Particle
Size Distribution
>106
um
25-50%
106-63
um
35-60%
63-45
um
4-15%
<45
um
20% max
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