BioPortadur

Au (85.3%)-based dental casting alloy, Type 4

BioPortadur

Bio Portadur is a high gold casting alloy with a warm golden colour. The copper and palladium-free composition gives this alloy well-balanced mechanical properties for a wide range of indications.

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 85.3 | Pt 10.0 | Zn 3.0 | In 1.0 | Rh <1.0
ISO  22674:2016
Type / Color 4 / Yellow
Density (g/cm³) 18.2
Melting Range (Solidus/Liquidus): 970 - 1070 °C
Elastic Modulus (GPa): 99
  As Cast              Softened        Hardened 
Vickers Hardness: 170                      150                  220
Tensile Strength (MPa): 540                      450                  620
0.2% Proof Stress (MPa):  380                      310                  510
Elongation (%): 10                        10                    5
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