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Simidur S1S
Simidur S1S is a palladium-based ceramic alloy, compatible with conventional metal-ceramics. Its low density and high heat resistance enable economical processing for a wide range of indications.
Indications*
- Crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Implant-supported superstructures
- Partial dentures
Technical Data
| Composition (%): | Pd 56.0 | Ag 32.0 | Sn 9.0 | Ga 2.0 | In 1.0 | Ru <1.0 |
| ISO | 22674:2016 |
| Type / Color: | 4 / White |
| Density (g/cm³) | 10.6 |
| Melting Range (Solidus/Liquidus): | 1080 - 1200 °C |
| Elastic Modulus (GPa): | 126 |
| Porcelain Fired Hardened | |
| Vickers Hardness: | 270 280 |
| Tensile Strength (MPa): | 870 880 |
| 0.2% Proof Stress (MPa): | 560 600 |
| Elongation (%): | 9 6 |
Advantages
- Economical due to low density
- Excellent melting and flow properties
- Light oxide
- Decades of clinical use
- Wide range of indications
Processing Data
| Investment Material: | Phosphate-bonded |
| Preheating / Burn- out Temperature: | 900 °C |
| Crucible | Ceramic crucible |
| Casting Temperature: | 1350 °C |
| Oxidation °C/min/Vacuum: | 930 / 5 / No |
| CTE: | (25 – 500 °C): 14.8 x 10-6 /K |
| Recommended Metal Ceramic: | IPS Style, IPS InLine |
| Laser Welding Wire: | Porta P6 |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES