Alloy Visualmagnifying glass

Elektra

Elektra is a silver and palladium-based casting alloy. Its high strength and low density allow a wide range of indications and economical processing.

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Indications*

  • Inlays
  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Ag 58.3 | Pd 25.0 | Cu 14.7 | In 2.0 | Ru <1.0, Re <1.0, Li <1.0
ISO  22674:2016
ADA Type Noble
Type / Color 4 / White
Density (g/cm³) 10.4
Melting Range (Solidus/Liquidus): 900 - 990 °C
Elastic Modulus (GPa): 105
As Cast              Softened        Hardened 
Vickers Hardness: 190                      150                  240
Tensile Strength (MPa): 560                      495                  740
0.2% Proof Stress (MPa):  475                      340                  740
Elongation (%): 18                        18                     5 

Advantages

  • High strength
  • Economical due to low density
  • Excellent processing properties
  • Wide range of indications
  • Certified biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 650 - 760 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1050 - 1105 °C
Laser Welding Wire: Laser C&B White

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES