Orplid H
Type 4
yellow / Au 70.0
| Composition: | Au 70.0 / Pd 2.0 / Ag 13.0 / Zn 1.5 / Cu 9.5 / Ir 0.1 / Pt 3.9 |
| Standard: | DIN EN ISO 22674 |
| Colour: | yellow |
| Melting range °C: | 935–895 |
| Soft annealing: | 15 mins at 700 °C / quench in water |
| Hardening: | 15 mins bei 400 °C / air |
| Preheating temperature °C: | 700 |
| Casting temperature °C: | 1070 |
| Further heating after melting (secs): | electr.: 15–20 inductive: 5–8 flame: 5–8 |
| Density g/cm3: | 15.4 |
| Solders: | Orplid solders 825, 790, 760 |
| Vickers hardness (HV 5/30): | w: 170 a: 260 g/b: 250 |
| 0.2% proof stress (MPa): | w: 345 a: 660 g/b: 565 |
| Elongation at break (%): | w: 35 a: 15 g/b: 21 |
| 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, 760 |