Midigold 50
Midigold 50 is a gold-reduced, golden yellow casting alloy. The well-coordinated material properties enable successful clinical use in a wide range of different indications.
Indications*
- Onlays, ¾ crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Implant-supported superstructures
- Partial dentures
Technical Data
| Composition (%): | Au 50.0 | Pd 3.5 | Ag 35.0 | Cu 9.5 | In 2.0 | Ir <1.0 |
| ISO | 22674:2016 |
| ADA Type | Noble |
| Type / Color | 4 / Yellow |
| Density (g/cm³) | 13.2 |
| Melting Range (Solidus/Liquidus): | 835 - 915 °C |
| Elastic Modulus (GPa): | 95 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 190 120 220 |
| Tensile Strength (MPa): | 610 400 660 |
| 0.2% Proof Stress (MPa): | 490 240 585 |
| Elongation (%): | 10 30 5 |
Advantages
- Golden yellow colour
- Clinically proven
- Wide range of indications
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 650 - 760 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 970 - 1030 °C |
| Recommended Lab Composite: | SR Nexco |
| Laser Welding Wire: | Laser C&B Yellow |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES