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Eurogold supra

Eurogold supra is a copper-free, reduced-gold universal alloy, suitable for use in the double crown technique and compatible with low-fusing special ceramics and laboratory composites.

Eurogold supramagnifying glass

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 (%):  Au 40.5 | Ag 36.2 | Pd 14.5 | In 8.7 | Ir <1.0 
ISO  22674:2016
Type / Color 4 / Yellow
Density (g/cm³) 12.5
Melting Range (Solidus/Liquidus): 970 - 1040 °C
Elastic Modulus (GPa): 107
As Cast              Porcelain Fired        Hardened 
Vickers Hardness: 210                      210                            230
Tensile Strength (MPa): 700                      700                            720
0.2% Proof Stress (MPa):  520                      520                            600
Elongation (%): 7                          7                               6

Advantages

  • Cu-free
  • Golden yellow colour
  • Excellent milling properties
  • Wide range of indications
  • Certified biocompatibility

Processing Data

Investment Material:  Phosphate-bonded
Preheating / Burn- out Temperature: 800 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1200 °C
Oxidation  °C/min/Vacuum: 800 / 5 / No
CTE: (25 – 500 °C): 16.7 x 10-6 /K
Laser Welding Wire: Portadur IN

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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