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Maxigold®

Au (59.5%)-based dental casting alloy, Type 4
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Maxigold is a gold-reduced casting alloy with a wide range of indications. It is easy to process and its golden yellow colour allows natural shade effects in the restoration veneered with laboratory composite SR Nexco.

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 (%):  Au 59.5 | Pd 2.7 | Ag 26.3 | Cu 8.5 | Zn 2.7 | In <1.0, Ir <1.0
ISO  22674:2016
ADA Type High Noble
Type / Color 4 / Yellow
Density (g/cm³) 13.9
Melting Range (Solidus/Liquidus): 840 - 890 °C
Elastic Modulus (GPa): 130
  As Cast              Softened        Hardened 
Vickers Hardness: 225                      135                  225
Tensile Strength (MPa): 620                      400                  600
0.2% Proof Stress (MPa):  525                      280                  530
Elongation (%): 18                        30                    10

Advantages

  • Golden yellow colour
  • Easy processing
  • Wide range of indications
  • 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: 940 - 1000 °C
Recommended Lab Composite: SR Nexco
Laser Welding Wire: Laser C&B Yellow

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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