* Y2O3+ZrO2>(=)99.5%, Density: 6.0-6.09g/cm³;
Hardness: 89
Elastic modulus: 200GPa
Thermal Expasion coff: 9.6 10*10-6/k
Tensile strength: 1000-1200MPa
Bending Toughness: 12-14MPam1/2

* Al2O3: 75-99%, Density: 3.2-3.93/cm³
Hardness: 85-91
Elastic modulus: 350-400GPa
Tensile strength: 200-400MPa
Bending Toughness: 2.0-5MPam1/2

* Al2O3: 68-72%, Density: 3 25g/cm³
Hardness: 85-88
Elastic modulus: 200GPa
Tensile strength: 300-500MPa
Bending Toughness: 5-7MPam1/2

* ZTA:
ZrO2: 15-35%, Density: 3.3g/cm³
Hardness: 83-88
Elastic modulus: 200GPa
Tensile strength: 450-700MPa
Bending Toughness: 6-8MPam1/2