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Wirobond® C

Cobalt-chrome metal-to-ceramic alloy

  • Nickel- and beryllium-free
  • Simple processing thanks to reliable casting time recognition
  • Carbon-free composition – particularly well suited for laser welding
  • The element cerium ensures high bond strength with the ceramic, minimising the risk of subsequent flaking or chipping
  • Low thermal conductivity – protects the pulp and ensures high wearing comfort for the patient
  • Biocompatible and corrosion-resistant thanks to a firmly-adhering passive layer
Composition in % by mass
Co 63.3 · Cr 24.8 · W 5.3 · Mo 5.1 · Si 1.0 · Ce
Alloy characteristics Standard values
Type (ISO 22674) 4
Density 8.5 g/cm3
Preheating temperature 900–1000 °C
Solidus, liquidus temperature 1360, 1420 °C
Casting temperature approx. 1500 °C
Young’s modulus 180 GPa
Proof strength (Rp0.2) 440 MPa
Elongation after fracture (A5) 16 %
Vickers hardness 315 HV10
Coefficient of thermal expansion (CTE) 25–500 °C, 10-6 K-1 14.3

ISO 22674 · ISO 9693-1

Availability Contents REF
Wirobond® C 1000 g 50115
Wirobond® C 250 g 50116

ISO 22674 · ISO 9693-1

Accessories Contents REF
Wiroweld CoCr laser wire, carbon-free, Ø 0.35 mm 2 m – 1.5 g 50003
Wiroweld CoCr laser wire, carbon-free, Ø 0.5 mm 1.5 m – 2 g 50005
Wirobond® solder 4g 52622

ISO 22674 · ISO 9693-1

Contact / Service

BEGO USA Inc.
24 Albion Road
Suite 103
Lincoln, RI 02865

Phone: 774-571-0395
E-Mail: begoinfo@begousa.com

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