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W-3

W-3 is a clinically proven silver-free reduced gold ceramic alloy demonstrating outstanding properties.

Advantages

  • Clinically proven
  • Extra hard
  • Wide range of indications
  • Excellent resistance to oral conditions
  • Certified biocompatibility

Indications

  • Onlays
  • Inlays
  • Partial crowns
  • Single crowns
  • Telescope and conus crowns
  • Root canal posts
  • Short- and long-span bridges
  • Implant superstructures
  • Model casts
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Composition

Au 48.7
Pd 39.6
In 10.6
Sn < 1.0
Ga < 1.0
Ru < 1.0
Re < 1.0
B < 1.0
Li < 1.0

Technical data

Type                                             4
Colour                                         white
Density (g/cm³)                         13.8
Melting range (°C)                    1235 - 1300
Casting temperature (°C)       1350 - 1410
Modulus of Elasticity (MPa)    128.000
CTE 25 – 500 °C                      13.9
CTE 20 – 600 °C                      14.1
Elongation (%)                         17.0
Vickers hardness                     225
0.2% proof stress (MPa)         495