| Composition: | Au 77.0 / Zn 0.2 / Ag 13.0 / In 0.2 / Cu 8.5 / Ir 0.1 / Pt 1.0 |
| Standard: | DIN EN ISO 22674 |
| Colour: | deep yellow |
| Melting range °C: | 930–900 |
| Soft annealing: | 15 mins at 750 °C/ quench in water |
| Hardening: | 15 mins at 400 °C/ air |
| Preheating temperature °C: | 700 |
| Casting temperature °C: | 1070 |
| Further heating after melting: (secs): | elektr.: 15–20 inductiv: 5–8 flame: 5–8 |
| Density g/cm3: | 16.0 |
| Solders: | Orplid solders 825, 790 |
| Vickers hardness (HV 5/30): | w: 115 a: 155 g/b: 120 |
| 0.2% proof stress (MPa): | w: 250 a: 265 g/b: 260 |
| Elongation at break (%): | w: 37 a: 58 g/b: 54 |
| Spruing: | Following the rules for dental applications (see General Instructions for Use) |
| Investment: | Phosphate-bonded investment materials |
| Preheating: | 700°C, 30 to 120 mins until end temperature, depending on size of mould |
| Casting: | 1070°C – possibly increase by 20°C–30°C for resistance-heated vacuum. pressure casting. Graphite crucible or open flame with ceramic crucible. |
| Finishing: | With carbide burs and/or ceramic-bonded stones |
| Cleaning: | Ultrasonic cleaning or steam jet cleaning |
| Soldering: | Orplid solders 825, 790 |