See all High Purity Alumina families

BA – 4N alumina nanosized unground powder range

BA15, BA20, BA100 & BA105 unground offer control of the specific area and α or γ crystalline phase.

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Products characteristics

Standard product
(Typical values)
BA15 BA20 BA105 BA100
Crystalline phase 100% α 97% α, 3% γ 92% γ More than 99% γ
Specific Surface Area (m²/g) BET 15 21 97 108
PSD d50 (µm)
Laser diffraction
4.5 4.5 2.5 2.0
Bulk Density (g/cm³) 0.3 0.3 0.3 0.3
Tapped Density (g/cm³) 0.45 0.5 0.45 0.45

BA15 is also available in spry 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.


  • BA15 – Technical Data Sheet
  • BA20 – Technical Data Sheet
  • BA100 – Technical Data Sheet
  • BA105 – Technical Data Sheet
  • Baikalox®_Leaflet_Baikowski®
  • High-Purity-Alumina_safety-data-sheet_Baikowski

Main applications

Varnish & lacquer polishing

Varnish & lacquer polishing



Ceramic coating

Ceramic coating



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