Material: Aluminum oxide ceramic (99 Al₂O₃)

Volume density: ≥ 3.85 g/cm³

Bending strength: ≥ 340 Mpa

Rockwell hardness: ≥ 88 HRA

Vickers hardness: ≥ 1600 kg/mm²

Elastic modulus: ≥ 330 GPa

Fracture toughness: ≥ 2.5 Mpa. m1/2