Harmony PF

Au (72.0%)-based dental casting alloy, Type 4
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Harmony PF

Harmony PF is a high gold, palladium-free casting alloy. The well-balanced composition of this alloy means a wide range of indications can be produced and veneered with the laboratory composite SR Nexco®.

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 72.0 | Pt 3.6 | Ag 13.7 | Cu 9.8 | Ir <1.0, Zn <1.0
ISO  22674:2016
ADA Class  High Noble
Type / Color 4 / Yellow
Density (g/cm³) 15.6
Melting Range (Solidus/Liquidus): 900 - 940 °C
Elastic Modulus (GPa): 135
  As Cast              Softened        Hardened 
Vickers Hardness: 230                      150                  230
Tensile Strength (MPa): 650                      450                  580
0.2% Proof Stress (MPa):  525                      315                  485
Elongation (%): 18                        40                    24

Advantages

  • Pd-free
  • Clinically proven
  • Wide range of indications
  • Excellent resistance to oral conditions
  • 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
Casting Temperature: SR Nexco
Laser Welding Wire: Laser C&B Yellow

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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