Zirconium Oxide ST/ST Preshaded/ST Multilayer
Block Specification
Chemical composition
Components ST/ST Preshaded/ST Multilayer
ZrO2+HfO2+Y2O3 | ≥99% |
ZrO2 | 91.6% |
Y2O3 | 4.5%-6.0% |
Al2O3 | ＜0.25% |
Other Oxides(for white block) | ＜0.15 |
Other Oxides(for preshaded/multilayer block) | ＜1% |
Physical characteristics
Properties ST/ST Preshaded/ST Multilayer
Density before sintering（g.cm-3） | 3.10-3.20 |
Density after sintering（g.cm-3） | 6.08-6.10 |
CTE(25-500℃) (K-1) | 10.5 |
Flexural strength after sintering (Mpa) | 1200 |
Accelerated aging surface monoclinic phase content | ＜15% |
Light transmittance | 41% |
Chemical solubility after sintering (μg.cm-2) | ＜100 |
Cytotoxicity | 0 Level |
Radioactivity (Bq.g-2) | <0.1 |
Sintering temperature (℃) | 1480-1530 |
