Portadur P4

Au (68.5%)-based dental casting alloy, Type 4

Portadur P4

Portadur P4 is a gold-reduced, palladium-free casting alloy with a golden yellow colour. Its high strength allows a wide range of indications and it can be 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 68.5 | Ag 12.0 | Cu 12.0 | Pt 6.9 | Zn <1.0, Ir <1.0
ISO  22674:2016
Type / Color 4 / Rich Yellow
Density (g/cm³) 15.6
Melting Range (Solidus/Liquidus): 920 - 970 °C
Elastic Modulus (GPa): 103
  As Cast              Softened        Hardened 
Vickers Hardness: 270                      170                  270
Tensile Strength (MPa): 850                      560                  810
0.2% Proof Stress (MPa):  690                      400                  720
Elongation (%): 8                          27                    10

 

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