SM55 - 55% Au High Noble Crown and Bridge Alloy, Type IV
SM55 is a clinically proven reduced gold crown and bridge alloy demonstrating outstanding properties.
Advantages
- Clinically proven
- Deep yellow color
- Excellent resistance to oral conditions
- Certified biocompatibility
Indications
- Onlays
- Inlays
- Partial crowns
- Single crowns
- Telescope and conus crowns
- Root canal posts
- Short- and long-span bridges
Composition
Au 55.0
Pd 5.2
Ag 30.0
Cu 9.0
In < 1.0, Ir < 1.0
Technical data
| Type | 4 |
| Color | Yellow |
| Density (g/cm³) | 13.6 |
| Melting range (°C) | 905 - 975 |
| Casting temperature (°C) | 1030 - 1090 |
| Modulus of Elasticity (MPa) | 83.000 |
| Elongation (%) | 19.0 |
| Vickers hardness | 185 |
| 0.2% proof stress (MPa) | 425 |
Documents
Laser Welding Wires & Solders (pdf)