BioUniversal KFG+

Au (37.7%)-based dental casting/ metal-ceramic alloy, Type 4
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BioUniversal KFG+ is a reduced-gold universal alloy for the economical production of restorations using the milling and double crown techniques. This alloy is suitable for veneering with low-fusing special ceramics and laboratory composites.

Indications*

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

Technical Data

Composition (%):  Au 37.7 | Pd 15.9 | Ag 32.6 | In 12.2 |  Pt <1.0, Ir <1.0, Rh <1.0, Sn <1.0, Li <1.0, Fe <1.0, Nb <1.0
ISO  22674:2016
ADA Class  Noble
Type / Color 4 / Yellow
Density (g/cm³) 12.2
Melting Range (Solidus/Liquidus): 920 - 995 °C
Elastic Modulus (GPa): 95
  As Cast              Porcelain Fired        Hardened 
Vickers Hardness: 230                      200                            225
Tensile Strength (MPa): 600                      560                            610
0.2% Proof Stress (MPa):  470                      430                            495
Elongation (%): 5                          5                                3

Advantages

  • Economical use due to low density
  • Cu-free
  • Excellent milling characteristics, especially for the double crown technique
  • Compatible with low-fusing special ceramics and laboratory composites (e.g. SR Nexco)
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded / Gypsum-bonded
Preheating / Burn- out Temperature: 625 - 710 °C
Crucible  Ceramic crucible
Casting Temperature: 1060 - 1120 °C
Oxidation  °C/min/Vacuum: 700 / 1 / Yes
CTE: (25 – 500 °C): 17.0 x 10-6 /K
Recommended Lab Composite: SR Nexco
Laser Welding Wire: Laser C&B Yellow

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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