Academy Gold

Au (77.2%)-based dental casting alloy, Type 2
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Academy Gold is a high-precious, palladium-free casting alloy with an intensive golden yellow colour. The fine metal structure gives this alloy a high degree of tensile strength, which makes it ideal for inlays and onlays.

Indications*

  • Inlays
  • Onlays, 3/4 crowns, crowns

Technical Data

Composition (%):  Au 77.2 | Ag 12.7 | Cu 8.5 | Pt <1.0, In <1.0, Ir<1.0, Zn <1.0, Ta <1.0
ISO  22674:2016
ADA Class  High Noble
Type / Color 2 / Rich Yellow
Density (g/cm³) 15.9
Melting Range (Solidus/Liquidus): 900 - 940 °C
Elastic Modulus (GPa): 88
  As Cast              Softened        Hardened 
Vickers Hardness: 125                      120                  185
Tensile Strength (MPa): 405                      390                  500
0.2% Proof Stress (MPa):  240                      225                  335
Elongation (%): 45                        48                    48

Advantages

  • Pd-free
  • Esthetic golden yellow colour
  • Excellent marginal adaptation, also after tempering
  • Excellent casting and processing properties
  • Veneering with laboratory composites (e.g. SR Nexco)
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 650 - 760 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1000 - 1050 °C
Recommended Lab Composite: SR Nexco
Laser Welding Wire: Laser C&B Yellow

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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