See all High Purity Alumina families


BRA15 & BRA105 are jet-mill deagglomerated powders.

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Products characteristics

Standard product
(Typical values)
BRA15 BRA105
Crystalline phase 100% α 93% γ
Specific Surface Area (m²/g) BET 15 100
PSD d50 (µm)
0.4 1.2
Bulk Density (g/cm³) 0.44 0.15
Tapped Density (g/cm³) 0.61 0.25



BRA105 can contain upon request 0,1% to 12% of alpha alumina.
It is an interesting property for specific polishing applications.


  • BRA15 Technical Data Sheet
  • BRA105 Technical Data Sheet
  • Safety Data Sheet HPA – Baikowski®

Main applications



Organic glass polishing

Organic glass polishing

Electronic ceramics

Electronic ceramics

Varnish & lacquer polishing

Varnish & lacquer polishing

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