Auropal KF

Au (55.0%)-based dental casting alloy, Type 4

Auropal KF

Auropal KF is a copper-free, gold-reduced casting alloy, especially suitable for the milling and double crown techniques. 

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 55.0 | Ag 30.5 | Pd 8.4 | In 5.0 | Zn 1.0 | Ge <1.0
ISO  22674:2016
Type / Color 4 / Rich Yellow
Density (g/cm³) 13.7
Melting Range (Solidus/Liquidus): 910 - 1020 °C
Elastic Modulus (GPa): 99
  As Cast              Softened        Hardened 
Vickers Hardness: 200                      140                  220
Tensile Strength (MPa): 580                      440                  580
0.2% Proof Stress (MPa):  450                      350                  530
Elongation (%): 5                          17                     3
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