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Bio PontoStar®

High-gold-content, extra-hard alloy for metal-ceramic restorations, yellow, does not contain palladium or copper; includes biocertificate.

  • Yellow – improved aesthetics
  • does not contain palladium or copper – also suitable for sensitive patients
  • medium grain size 20 µm – high corrosion resistance
  • biocertificate – provides added assurance for dentist and patient
  • light-coloured oxide – reliable ceramic shade reproduction
Characteristics of the alloy:  
Composition In % by mass:
Au 87 - Pt 10,6 - Zn 1,5 - Rh <1 - Ta <1 - Mn <1 - In <1 -
Type of alloy extrahart
Density [g/m³] 18,8
CTE 25-500 °C 14,2
CTE 20-600 °C 14,4
Pre-heating temperature [°C] 850
Casting temperature [°C] 1270
Melting interval [°C] 1040-1150
Modulus of elasticity [GPa] 100
Proof stress [RP 0,2] after casting/firing 550
Proof stress [RP 0,2] soft 380
Proof stress [RP 0,2] tempered 560
Elongation [A5] after casting/firing 8
Elongation [A5] soft 11
Elongation [A5] tempered 6
Vickers Hardness [HV5] after casting / firing 225
Vickers Hardness[HV5] soft 160
Vickers Hardness [HV5] tempered 235
Medium grit size 20
Indications 1, 2, 3, 4, 5, 6
BEGO colour code 5

Product(s): Presentation: REF:
Bio PontoStar® 61104

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*All images are subject to BEGO Bremer Goldschlägerei Wilhelm Herbst GmbH & Co. KG copyright
 
 
Additional accessories
Bio PontoStar® wire
Product(s): Presentation: REF:
Bio PontoStar® wire 0.35 mm approx. 5 g 61157