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SM2 - 2% Au, Noble Crown and Bridge Alloy, Type III

SM2 is the most economically efficient, golden crown and bridge alloy from Strategy Milling. It is particularly suitable for full cast short-span crowns and bridges.

Advantages

  • Affordable, yellow crown and bridge alloy
  • Rich yellow color
  • Economical due to low densityli>
  • Brilliant high gloss achieved with ease by polishing
  • Suitable for bonding systems and veneering composite (SR Nexco®)
  • Certified biocompatibility

Indications

  • Onlays
  • 3/4 crowns
  • Crowns
  • Telescope and conus crowns
  • Posts
  • Short- and long-span bridges

Composition

  Ag 34.3
  Pd 32.7
  In 28.0
  Zn 2.6
  Au 2.0
  Cr < 1.0, Li < 1.0, B < 1.0, Ir < 1.0

Technical data

Type 3
Color Yellow
Density (g/cm³) 9.8
Melting range (°C) 882 - 1140
Casting temperature (°C) 960 - 1020
Modulus of Elasticity (MPa) 75.000
Elongation (%) 5.5
Vickers hardness 175
0.2% proof stress (MPa) 300