NPM-Alloys for Partial Dentures

Starbond Co

CoCr partial denture alloy (bondable) for sophisticated combined restorations and gracile clasp design. Free of nickel, beryllium, lead and cadmium. Type 5 pursuant to DIN EN ISO 22674.
Excellent degree of purity
  • Biocompatible and extremly corrosion resistant
  • High wearing comfort due to low thermal conductivity
  • Spring hard

Advantages for Dental Technicians:

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


Co 62%
Cr 30%
Mo 5.5%
Si 1%
C,Fe Mn <1%

Technical properties:

Proof stress (Rp 0.2) 500MPa
Ultimate tensile strength 760MPa
Elongation 6%
Elastiic modulus 250GPa
Vickers hardness 380 HV 10
Density 8.1g/cm³
Melting range 1200 - 1385°C
Preheating temperature 850 - 950°C
Casting temperature 1485 - 1540°C
CTE (20-600°C) 14.9 x 10⁻⁶K⁻¹
Laser weldable Yes
Type (DIN EN ISO 22674) 5

Trade unit:

1000g Ref. 132000