The Martinswerk MPS is an unground calcined alumina
utilized in a variety of industrial applications.
The MPS is used for structural ceramics, compounds,
fillers, friction, and refractrory applications.
Typical Analysis
(Al2O3)
99.8%
(SiO2)
0.01-0.05%
(Fe2O3)
0.01-0.03%
(Na2O)
<0.01%
(CaO)
0.01-0.03%
Alpha
Al2O3
>90%
Loss on Ignition
<0.2%
Specific Surface
Area (BET)
3.0-5.0 m2/g
Primary Crystal
Size
0.5 um
Bulk
Density
»750 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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