Properties
Unit
Aluminia(AI2O3)
Zirconia(ZrO2)
Structure
–
Poly
Poly
Composition(wt %)
–
AI2O3
ZrO2
Purity
%
99.80
95
Density
g/cm3
3.90
6.00
Hardness
HV
1900
1200
Compression strength
MPa
2500
2000
Fusion Temperature
°C
1500
1000
Thermal Expansion
10-6/K
8.10
10.50
Chemical Resistence
(Acids)
Excellent
Good
Chemical Resistence
(Bases)
Good
Good