* Crystallography on demand : mixture of triclinic and
monoclinic phases or 100% alpha phase available on request.
* Shape : perfectly spherical and full dense.
* Mean diameter : 25 µm or 80 µm
* Density : apparent 2,3, taped 2,4
* Specific surface area : 0,08 m² / g
* Chemical purity : 99,998% Al 2O3 :