IT 
Alloy Visualmagnifying glass

Protocol

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.

magnifying glass

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   

Advantages

  • Excellent melting and flow properties
  • Easy processing and polishing
  • Wide range of indications
  • Compatible with conventional metal-ceramics (e.g. IPS Style)
  • Certified biocompatibility

Processing Data

Investment Material:  Phosphate-bonded
Preheating / Burn- out Temperature: 750 - 820 °C
Crucible  Ceramic crucible
Casting Temperature: 1365 - 1425 °C
Oxidation  °C/min/Vacuum: 950 / 1 / No
CTE: (25 – 500 °C): 13.8 x 10-6 /K
Recommended Metal Ceramic: IPS Style, IPS InLine One, IPS InLine, IPS InLine PoM, IPS Classic, IPS d.SIGN
Laser Welding Wire: Laser Ceramic White

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES