See all High Purity Alumina families

GE – 4N α alumina unground powder range

GE1, GE6, GE15, GE30 & GEA6 are unground powders provide control of the specific surface area.

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Products characteristics

Standard product
(Typical values)
Crystalline phase 100% α 100% α 80% α,
20% γ
100% α
Specific Surface Area (m²/g) BET < 3 6 25 6
PSD d50 (µm)
Laser diffraction
13 8.0 4.5 8.0
Bulk Density (g/cm³) 0.45 0.4 0.3 0.27
Tapped Density (g/cm³) 0.75 0.7 0.6 0.44

GE slurry is also available, go to GE- S reference and GEA6 in spray dry form.

Do not hesistate to download our Baikalox® leaflet hereunder to help you find the High Purity Alumina solutions that meet your needs and to contact our sale representatives to get all the answers to your questions.


  • GE1 – Technical Data Sheet
  • GE15 – Technical Data Sheet
  • GE30 – Technical Data Sheet
  • GE6 – Technical Data Sheet
  • GEA6 – Technical Data Sheet
  • Baikalox®_Leaflet_Baikowski®
  • High-Purity-Alumina_safety-data-sheet_Baikowski

Main applications

Ceramic coating

Ceramic coating

Crystal polishing

Crystal polishing

Organic glass polishing

Organic glass polishing



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