Harmony 2

Ag (34.3%)-based dental casting alloy, Type 3
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Harmony 2 is an economical, golden casting alloy. It is ideally suited for the fabrication of crowns and short-span bridges veneered with the laboratory SR Nexco®.

Indications*

  • Telescope crowns, conus crowns
  • Bridges

Technical Data

Composition (%):  Ag 34.3 | Pd 32.7 | In 28.0 | Zn 2.6  |Au 2.0 | Li <1.0, B <1.0, Cr <1.0, Ir<1.0
ISO  22674:2016
ADA Type Noble
Type / Color 3 / Yellow
Density (g/cm³) 9.8
Melting Range (Solidus/Liquidus): 875 - 1120 °C
Elastic Modulus (GPa): 80
  As Cast              Softened        Hardened 
Vickers Hardness: 175                      160                  180
Tensile Strength (MPa): 540                      490                  520
0.2% Proof Stress (MPa):  300                      270                  270
Elongation (%): 5                          5                      5

 

Advantages

  • Golden yellow colour
  • Economical due to low density
  • Brilliant high gloss achieved with ease by polishing
  • Veneering with laboratory composites (e.g. SR Nexco)
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 650 - 705 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1170 - 1230 °C
Recommended Lab Composite: SR Nexco
Laser Welding Wire: Laser C&B Yellow

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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