Porta Aurium 2 is a copper-free, gold-reduced universal alloy, which can be used for a wide range of indications for both fixed and removable dental restorations.
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 57.1 | Ag 30.5 | Pd 9.0 | In 3.0 | Ru <1.0 |
| ISO | 22674:2016 |
| Type / Color | 4 / Rich Yellow |
| Density (g/cm³) | 14.2 |
| Melting Range (Solidus/Liquidus): | 1050 - 1110 °C |
| Elastic Modulus (GPa): | 105 |
| As Cast Porcelain Fired Hardened | |
| Vickers Hardness: | 170 190 210 |
| Tensile Strength (MPa): | 550 610 640 |
| 0.2% Proof Stress (MPa): | 380 460 530 |
| Elongation (%): | 13 13 7 |
Advantages
- Cu-free
- Brilliant high gloss achieved with ease by polishing
- No discolouration in double crowns
- Wide range of indications
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 800 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1250 °C |
| Oxidation °C/min/Vacuum: | 800 / 5 / No |
| CTE: | (25 – 500 °C): 16.6 x 10-6 /K |
| Laser Welding Wire: | Portadur IN |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES