Porta Reflex is a silver-free, high gold ceramic alloy. The mechanical properties allow a wide range of indications and the golden yellow colour enhances the natural shade reproduction in the veneer.
| Composition (%): | Au 81.2 | Pt 16.0 | Zn 1.8 | Fe <1.0, Ti <1.0, Rh <1.0 |
| ISO | 22674:2016 |
| Type / Color: | 4 / Yellow |
| Density (g/cm³) | 18.8 |
| Melting Range (Solidus/Liquidus): | 1050 - 1130 °C |
| Elastic Modulus (GPa): | 107 |
| Porcelain Fired Hardened | |
| Vickers Hardness: | 210 230 |
| Tensile Strength (MPa): | 650 680 |
| 0.2% Proof Stress (MPa): | 530 550 |
| Elongation (%): | 4 3 |