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Protocol

Pd (75.2%)-based dental metal-ceramic alloy, Type 4

Protocol is a palladium-based ceramic alloy, compatible with conventional metal-ceramics. Its mechanical properties and good flow properties allow accurately fitting casting objects to be produced.

Indications*

  • Inlays
  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Pd 75.2 | Au 6.0 | Ag 6.5 | In 6.0 | Ga 6.0 | Ru <1.0, Li <1.0
ISO  22674:2016
ADA Class: Noble
Type / Color: 4 / White
Density (g/cm³) 11.3
Melting Range (Solidus/Liquidus): 1270 - 1310 °C
Elastic Modulus (GPa): 134
  Porcelain Fired       
Vickers Hardness: 235  
Tensile Strength (MPa): 745    
0.2% Proof Stress (MPa):  500     
Elongation (%): 30   
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