NPM-Alloys for Partial Dentures

ModelStar S

CoCr partial denture alloy for the whole range of removable partial dentures from combined fixed-removables restorations to clasp-retained dentures. Free of nickel, beryllium, cadmium and lead. Type 5 pursuant DIN EN ISO 22674.

  • High degree of purity
  • Biocompatible and extremly corrosion resistant
  • High wearing comfort due to low thermal conductivity

Advantages for Dental Technicians:

  • Excellent for casting of 3D printed plastic parts
  • Especially patient-friendly due to a low thermal conductivity
  • System-free working due to very good alloy properties
  • Universally applicable for clasp-retained prostheses and combined techniques
  • Pleasant polishing properties and easy finishing
  • Optimal conditions for laser welding
  • Application flexibility and easy melting, no sparking


Co 62.7%
Cr 29%
Mo 6%
C,Fe,Si,Mn <1%

Technical properties:

Proof stress (Rp 0.2) 510 - 600MPa
Ultimate tensile strength 770 - 780MPa
Elongation >3%
Elastic modulus 200 - 230GPa
Vickers hardness 355 HV 10
Density 8.4g/cm³
Melting range 1170 - 1390°C
Preheating temperature 850 - 950°C
Casting temperature 1490 - 1540°C
Laser weldable Yes
Type (DIN EN ISO 22674) 5

Trade unit:

1000g Ref. 132100
250g Ref. 132250