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Simidur A

Ag (54.7%)-based dental casting/ metal-ceramic alloy, Type 4

Simidur A is a copper-free universal alloy, which can be used for a wide range of indications. The low density makes this alloy economical. It can be veneered with low-fusing special ceramics.

Indications*

  • Inlays
  • Onlays, 3/4 crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Ag 54.7 | Pd 39.0 | Zn 3.0 | Sn 2.0 | In 1.3 
ISO  22674:2016
Type / Color 4 / White
Density (g/cm³) 10.7
Melting Range (Solidus/Liquidus): 1100 - 1170 °C
Elastic Modulus (GPa): 95
  As Cast              Porcelain Fired        Hardened 
Vickers Hardness: 190                      220                            240
Tensile Strength (MPa): 560                      640                            660
0.2% Proof Stress (MPa):  380                      450                            470
Elongation (%): 15                         11                              10
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