Harmony 2
Harmony 2 is an economical, golden casting alloy. It is ideally suited for the fabrication of crowns and short-span bridges veneered with the laboratory SR Nexco®.
Indications*
- Telescope crowns, conus crowns
- Bridges
Technical Data
| Composition (%): | Ag 34.3 | Pd 32.7 | In 28.0 | Zn 2.6 |Au 2.0 | Li <1.0, B <1.0, Cr <1.0, Ir<1.0 |
| ISO | 22674:2016 |
| ADA Type | Noble |
| Type / Color | 3 / Yellow |
| Density (g/cm³) | 9.8 |
| Melting Range (Solidus/Liquidus): | 875 - 1120 °C |
| Elastic Modulus (GPa): | 80 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 175 160 180 |
| Tensile Strength (MPa): | 540 490 520 |
| 0.2% Proof Stress (MPa): | 300 270 270 |
| Elongation (%): | 5 5 5 |
Advantages
- Golden yellow colour
- Economical due to low density
- Brilliant high gloss achieved with ease by polishing
- Veneering with laboratory composites (e.g. SR Nexco)
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 650 - 705 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1170 - 1230 °C |
| Recommended Lab Composite: | SR Nexco |
| Laser Welding Wire: | Laser C&B Yellow |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES