Porta Aurium 2

Au (57.1%)-based dental casting/ metal-ceramic alloy, Type 4

Porta Aurium 2

Porta Aurium 2 is a copper-free, gold-reduced universal alloy, which can be used for a wide range of indications for both fixed and removable dental restorations.

Indications*

  • Inlays
  • Onlays, 3/4 crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Partial dentures

Technical Data

Composition (%):  Au 57.1 | Ag 30.5 | Pd 9.0 | In 3.0 | Ru <1.0 
ISO  22674:2016
Type / Color 4 / Rich Yellow
Density (g/cm³) 14.2
Melting Range (Solidus/Liquidus): 1050 - 1110 °C
Elastic Modulus (GPa): 105
  As Cast              Porcelain Fired        Hardened 
Vickers Hardness: 170                      190                            210
Tensile Strength (MPa): 550                      610                            640
0.2% Proof Stress (MPa):  380                      460                            530
Elongation (%): 13                         13                               7

 

Advantages

  • Cu-free
  • Brilliant high gloss achieved with ease by polishing
  • No discolouration in double crowns
  • Wide range of indications
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 800 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1250 °C
Oxidation  °C/min/Vacuum: 800 / 5 / No
CTE: (25 – 500 °C): 16.6 x 10-6 /K
Laser Welding Wire: Portadur IN

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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