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Eurogold supra
Eurogold supra is a copper-free, reduced-gold universal alloy, suitable for use in the double crown technique and compatible with low-fusing special ceramics and laboratory composites.
Indications*
- Inlays
- Onlays, 3/4 crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Implant-supported superstructures
- Partial dentures
Technical Data
| Composition (%): | Au 40.5 | Ag 36.2 | Pd 14.5 | In 8.7 | Ir <1.0 |
| ISO | 22674:2016 |
| Type / Color | 4 / Yellow |
| Density (g/cm³) | 12.5 |
| Melting Range (Solidus/Liquidus): | 970 - 1040 °C |
| Elastic Modulus (GPa): | 107 |
| As Cast Porcelain Fired Hardened | |
| Vickers Hardness: | 210 210 230 |
| Tensile Strength (MPa): | 700 700 720 |
| 0.2% Proof Stress (MPa): | 520 520 600 |
| Elongation (%): | 7 7 6 |
Advantages
- Cu-free
- Golden yellow colour
- Excellent milling properties
- Wide range of indications
- Certified biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded |
| Preheating / Burn- out Temperature: | 800 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1200 °C |
| Oxidation °C/min/Vacuum: | 800 / 5 / No |
| CTE: | (25 – 500 °C): 16.7 x 10-6 /K |
| Laser Welding Wire: | Portadur IN |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES