Porta Maximum is a high gold, copper-free universal alloy. The constituents in this alloy allow for a wide range of indications, especially for the milling and double crown techniques.
Indications*
- Inlays
- Onlays, 3/4 crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Partial dentures
Technical Data
| Composition (%): | Au 70.0 | Ag 10.0 | Pt 10.0 | In 5.0 | Pd 2.5 | Zn 2.0 | Rh <1.0 |
| ISO | 22674:2016 |
| Type / Color | 4 / Rich Yellow |
| Density (g/cm³) | 16.2 |
| Melting Range (Solidus/Liquidus): | 910 - 1060 °C |
| Elastic Modulus (GPa): | 98 |
| As Cast Porcelain Fired Hardened | |
| Vickers Hardness: | 180 190 210 |
| Tensile Strength (MPa): | 560 580 600 |
| 0.2% Proof Stress (MPa): | 380 410 460 |
| Elongation (%): | 10 8 7 |