IT 
Alloy Visualmagnifying glass

W

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.

magnifying glass

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

Advantages

  • Good casting and flow characteristics
  • High strength
  • Compatible with conventional metal-ceramics (e.g. IPS Style)
  • Wide range of indications
  • Certified biocompatibility

Processing Data

Investment Material:  Phosphate-bonded
Preheating / Burn- out Temperature: 750 - 820 °C
Crucible  Ceramic crucible
Casting Temperature: 1330 - 1390 °C
Oxidation  °C/min/Vacuum: 950 / 1 / No
CTE: (25 – 500 °C): 14.2 x 10-6 /K
Recommended Metal Ceramic: IPS Style, IPS InLine One, IPS InLine, IPS Classic, IPS d.SIGN
Laser Welding Wire: Laser Ceramic White

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES