Portadur P2 is a high gold, palladium-free casting alloy with a warm golden colour. The mechanical and physical properties of this alloy allow the production of even long-span restorations.
| Composition (%): | Au 71.0 | Ag 12.2 | Cu 12.2 | Pt 2.5 | Pd 1.5 | Zn <1.0, Ir <1.0 |
| ISO | 22674:2016 |
| Type / Color | 4 / Rich Yellow |
| Density (g/cm³) | 15.5 |
| Melting Range (Solidus/Liquidus): | 890 - 930 °C |
| Elastic Modulus (GPa): | 100 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 230 160 230 |
| Tensile Strength (MPa): | 670 490 700 |
| 0.2% Proof Stress (MPa): | 560 350 560 |
| Elongation (%): | 19 26 11 |