Magnesium oxide in fine powder form and its use
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United States of America Patent
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Apr 21, 1992
Grant Date -
N/A
app pub date -
Apr 5, 1990
filing date -
Aug 10, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A magnesium oxide in fine powder form, which can be used to manufacture high-density ceramics, has an MgO content greater than 95 wt. %, preferably greater than 98 wt. %, a particle size less than 15 .mu.m, and a BET specific surface area less than 20 m.sup.2 /g. The statistical mean of the particle shape factor of the primary particles lies between 1 and 1.5. The particles are coated with a hydrophobic, surface-active substance.
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