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W

Au (54.0%)-based dental metal-ceramic alloy, Type 4

W is a reduced-gold ceramic alloy, suitable for conventional metal-ceramics. The good flow characteristics during casting and the high strength allow for a wide range of indications.

Indications*

  • Inlays
  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Partial dentures

Technical Data

Composition (%):  Au 54.0 | Pd 26.4 | Ag 15.5 | Sn 2.5 | In 1.5 | Re <1.0, Ru <1.0, Li <1.0
ISO  22674:2016
ADA Class: High Noble
Type / Color: 4 / White
Density (g/cm³) 13.8
Melting Range (Solidus/Liquidus): 1200 - 1280 °C
Elastic Modulus (GPa): 118
  Porcelain Fired        Hardened                  
Vickers Hardness: 220                           225
Tensile Strength (MPa): 660                           715
0.2% Proof Stress (MPa):  455                           530
Elongation (%): 20                              13
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