Pontostar G - Au 85.5%
High-gold-content alloy for metal-ceramic restorations
Gold-yellow – improved aesthetics.
Contains no copper or palladium – extremely corrosion-resistant.
medium grain size 20 µm – high corrosion resistance.
wide range of indications – cost-saving.
suitable for veneering with composites and conventional ceramics – does not require any additional outlay.
Biocompatible and corrosion-resistant.
Product details
Composition in % by mass | |
|---|---|
Au 85.5 · Pt 11.4 · In 2.3 · Fe · Rh | |
Alloy characteristics | Standard values |
Type (ISO 22674) | 4 |
BEGO colour code | 4 |
Density | 18,0 g/cm3 |
Preheating temperature | 850 °C |
Solidus, liquidus temperature | 1 055, 1 140 °C |
Casting temperature | 1 320 °C |
Young’s modulus | 92 GPa |
Proof strength (Rp0,2) | 430 MPa |
Ultimate strength (Rm) | 455/515 MPa |
Elongation after fracture (A 5) | 9 % |
Vickers hardness | 175 HV5 |
Coefficient of thermal expansion (CTE) 25–500 °C, 10-6 K-1 | 14,4 |
Availability | REF |
Pontostar® G, 25gr* | 61046 |
Accessories | REF |
Laser welding wire : PontoStar® G wire, Ø 0,35 mm | 61150 |
PontoStar® G solder before firing | 61045 |
BEGO-GOLD solder after firing | 61017 |
Minoxyd Flux | 52530 |
*Sold in 25-gram pack. Price per gram fluctuates according to daily market prices.
The BEGO Colour Code
The areas of colours within the characteristic fields approximately correspond to the intensity of the alloy colours.
Gold-yellow – improved aesthetics.
Contains no copper or palladium – extremely corrosion-resistant.
medium grain size 20 µm – high corrosion resistance.
wide range of indications – cost-saving.
suitable for veneering with composites and conventional ceramics – does not require any additional outlay.
Biocompatible and corrosion-resistant.
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