Academy Gold
Academy Gold is a high-precious, palladium-free casting alloy with an intensive golden yellow colour. The fine metal structure gives this alloy a high degree of tensile strength, which makes it ideal for inlays and onlays.
Indications*
- Inlays
- Onlays, 3/4 crowns, crowns
Technical Data
| Composition (%): | Au 77.2 | Ag 12.7 | Cu 8.5 | Pt <1.0, In <1.0, Ir<1.0, Zn <1.0, Ta <1.0 |
| ISO | 22674:2016 |
| ADA Class | High Noble |
| Type / Color | 2 / Rich Yellow |
| Density (g/cm³) | 15.9 |
| Melting Range (Solidus/Liquidus): | 900 - 940 °C |
| Elastic Modulus (GPa): | 88 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 125 120 185 |
| Tensile Strength (MPa): | 405 390 500 |
| 0.2% Proof Stress (MPa): | 240 225 335 |
| Elongation (%): | 45 48 48 |
Advantages
- Pd-free
- Esthetic golden yellow colour
- Excellent marginal adaptation, also after tempering
- Excellent casting and processing properties
- Veneering with laboratory composites (e.g. SR Nexco)
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 650 - 760 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1000 - 1050 °C |
| Recommended Lab Composite: | SR Nexco |
| Laser Welding Wire: | Laser C&B Yellow |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES