Simidur S1S

Pd (56.0%)-based dental metal-ceramic alloy, Type 4

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

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