WLW

Ag (71.0%)-based dental casting alloy, Type 3
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WLW

WLW is a silver and palladium-based casting alloy. It is ideally suited for the fabrication of single- tooth restorations and short-span bridges.

Indications*

  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges

Technical Data

Composition (%):  Ag 71.0 | Pd 25.0 | In 4.0 | Li <1.0
ISO  22674:2016
ADA Type Noble
Type / Color 3 / White
Density (g/cm³) 10.6
Melting Range (Solidus/Liquidus): 1075 - 1130 °C
Elastic Modulus (GPa): 90
  As Cast              Softened        Hardened 
Vickers Hardness: 150                      140                  170
Tensile Strength (MPa): 500                      440                  450
0.2% Proof Stress (MPa):  320                      230                  325
Elongation (%): 10                        12                    10

Advantages

  • Brilliant high gloss achieved with ease by polishing
  • Decades of clinical use
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 650 - 760 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1180 - 1240 °C
Laser Welding Wire: Laser C&B White

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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