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Harmony Hard
Harmony Hard is a high gold casting alloy with a distinct yellow colour. Due to the good processing properties and the wide range of indications when heat-treated, this alloy can be used for many different applications.
Indications*
- Inlays
- Onlays, 3/4 crowns, crowns
Technical Data
| Composition (%): | Au 74.0 | Pd 3.8 | Ag 12.0 | Cu 9.0 | In <1.0, Ir <1.0, Zn <1.0 |
| ISO | 22674:2016 |
| ADA Class | High Noble |
| Type / Color | 2 / Yellow |
| Density (g/cm³) | 14.9 |
| Melting Range (Solidus/Liquidus): | 895 - 970 °C |
| Elastic Modulus (GPa): | 86 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 130 130 180 |
| Tensile Strength (MPa): | 430 395 475 |
| 0.2% Proof Stress (MPa): | 260 255 330 |
| Elongation (%): | 40 45 30 |
Advantages
- Distinct yellow colour
- Clinically proven
- Wide range of indications
- Certified biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 650 - 760 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1025 - 1090 °C |
| Laser Welding Wire: | Laser C&B Yellow |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES
Instructions for Use
